{"title":"Crankshaft Parts","description":"","products":[{"product_id":"788972","title":"S\u0026S HIGH-PERFORMANCE MILWAUKEE EIGHT 3-PIECE FLYWHEEL ASSEMBLIES","description":"\u003cp\u003eThe crankshaft is the heart of any performance engine and S\u0026amp;S has been perfecting the art for over six decades. Stronger, more durable, and trued to a spec others can only dream of, these crankshaft assemblies for the Milwaukee Eight are the best of the best to build your high performance engine around. Made out of heat treaded 4140 material, harder and more than twice as strong as stock. The stronger assembly eliminates the need to weld the crankpin. The High Strength connecting rods are designed with Finite Element Analysis to eliminate weak spots and handle more power. Consistent balance and precision machining makes them capable of higher RPM and perfect for gear drive cams. Crankshafts that have connecting rods with tapered piston wrist pin ends can be used with stock or S\u0026amp;S pistons. The full-width version can only be used with S\u0026amp;S pistons and S\u0026amp;S Big Bore cylinder kits. Crankshafts with 4 5\/8\" stroke can only be used with pistons that are designed for this stroke.\u003cstrong\u003e\u003cbr\u003e\u003cbr\u003e4 5\/8\" stroke gives:\u003c\/strong\u003e\u003cbr\u003e- 113CI from a 107CI engine with stock 3 15\/16\" bore\u003cbr\u003e- 117CI from a 114CI engine with stock 4 1\/64\" bore\u003cbr\u003e- 121CI from a 117CI engine with stock 4 5\/64\" bore\u003cbr\u003e- 131CI with an S\u0026amp;S 4 1\/4\" Big Bore kit\u003cbr\u003e- 136CI with an S\u0026amp;S 4.320\" Big Bore kit\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":56168970092919,"sku":"788972","price":1917.85,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/3244\/1207\/files\/standard-rgba_ac391735-6b3b-4dd5-82b0-c7b1f2c4de54.png?v=1762981268"},{"product_id":"788975","title":"S\u0026S HIGH-PERFORMANCE MILWAUKEE EIGHT 3-PIECE FLYWHEEL ASSEMBLIES","description":"\u003cp\u003eThe crankshaft is the heart of any performance engine and S\u0026amp;S has been perfecting the art for over six decades. Stronger, more durable, and trued to a spec others can only dream of, these crankshaft assemblies for the Milwaukee Eight are the best of the best to build your high performance engine around. Made out of heat treaded 4140 material, harder and more than twice as strong as stock. The stronger assembly eliminates the need to weld the crankpin. The High Strength connecting rods are designed with Finite Element Analysis to eliminate weak spots and handle more power. Consistent balance and precision machining makes them capable of higher RPM and perfect for gear drive cams. Crankshafts that have connecting rods with tapered piston wrist pin ends can be used with stock or S\u0026amp;S pistons. The full-width version can only be used with S\u0026amp;S pistons and S\u0026amp;S Big Bore cylinder kits. Crankshafts with 4 5\/8\" stroke can only be used with pistons that are designed for this stroke.\u003cstrong\u003e\u003cbr\u003e\u003cbr\u003e4 5\/8\" stroke gives:\u003c\/strong\u003e\u003cbr\u003e- 113CI from a 107CI engine with stock 3 15\/16\" bore\u003cbr\u003e- 117CI from a 114CI engine with stock 4 1\/64\" bore\u003cbr\u003e- 121CI from a 117CI engine with stock 4 5\/64\" bore\u003cbr\u003e- 131CI with an S\u0026amp;S 4 1\/4\" Big Bore kit\u003cbr\u003e- 136CI with an S\u0026amp;S 4.320\" Big Bore kit\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":56168970191223,"sku":"788975","price":1917.85,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/3244\/1207\/files\/cb2958f31622.jpg?v=1762981272"},{"product_id":"788973","title":"S\u0026S HIGH-PERFORMANCE MILWAUKEE EIGHT 3-PIECE FLYWHEEL ASSEMBLIES","description":"\u003cp\u003eThe crankshaft is the heart of any performance engine and S\u0026amp;S has been perfecting the art for over six decades. Stronger, more durable, and trued to a spec others can only dream of, these crankshaft assemblies for the Milwaukee Eight are the best of the best to build your high performance engine around. Made out of heat treaded 4140 material, harder and more than twice as strong as stock. The stronger assembly eliminates the need to weld the crankpin. The High Strength connecting rods are designed with Finite Element Analysis to eliminate weak spots and handle more power. Consistent balance and precision machining makes them capable of higher RPM and perfect for gear drive cams. Crankshafts that have connecting rods with tapered piston wrist pin ends can be used with stock or S\u0026amp;S pistons. The full-width version can only be used with S\u0026amp;S pistons and S\u0026amp;S Big Bore cylinder kits. Crankshafts with 4 5\/8\" stroke can only be used with pistons that are designed for this stroke.\u003cstrong\u003e\u003cbr\u003e\u003cbr\u003e4 5\/8\" stroke gives:\u003c\/strong\u003e\u003cbr\u003e- 113CI from a 107CI engine with stock 3 15\/16\" bore\u003cbr\u003e- 117CI from a 114CI engine with stock 4 1\/64\" bore\u003cbr\u003e- 121CI from a 117CI engine with stock 4 5\/64\" bore\u003cbr\u003e- 131CI with an S\u0026amp;S 4 1\/4\" Big Bore kit\u003cbr\u003e- 136CI with an S\u0026amp;S 4.320\" Big Bore kit\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":56168970223991,"sku":"788973","price":1917.85,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/3244\/1207\/files\/standard-rgba_70c06a4b-5a1d-489f-905b-ea9a21529f2b.png?v=1762981273"},{"product_id":"788976","title":"S\u0026S HIGH-PERFORMANCE MILWAUKEE EIGHT 3-PIECE FLYWHEEL ASSEMBLIES","description":"\u003cp\u003eThe crankshaft is the heart of any performance engine and S\u0026amp;S has been perfecting the art for over six decades. Stronger, more durable, and trued to a spec others can only dream of, these crankshaft assemblies for the Milwaukee Eight are the best of the best to build your high performance engine around. Made out of heat treaded 4140 material, harder and more than twice as strong as stock. The stronger assembly eliminates the need to weld the crankpin. The High Strength connecting rods are designed with Finite Element Analysis to eliminate weak spots and handle more power. Consistent balance and precision machining makes them capable of higher RPM and perfect for gear drive cams. Crankshafts that have connecting rods with tapered piston wrist pin ends can be used with stock or S\u0026amp;S pistons. The full-width version can only be used with S\u0026amp;S pistons and S\u0026amp;S Big Bore cylinder kits. Crankshafts with 4 5\/8\" stroke can only be used with pistons that are designed for this stroke.\u003cstrong\u003e\u003cbr\u003e\u003cbr\u003e4 5\/8\" stroke gives:\u003c\/strong\u003e\u003cbr\u003e- 113CI from a 107CI engine with stock 3 15\/16\" bore\u003cbr\u003e- 117CI from a 114CI engine with stock 4 1\/64\" bore\u003cbr\u003e- 121CI from a 117CI engine with stock 4 5\/64\" bore\u003cbr\u003e- 131CI with an S\u0026amp;S 4 1\/4\" Big Bore kit\u003cbr\u003e- 136CI with an S\u0026amp;S 4.320\" Big Bore kit\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":56168970289527,"sku":"788976","price":1917.85,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/3244\/1207\/files\/2d9a6baeb9a8.jpg?v=1762981274"},{"product_id":"788974","title":"S\u0026S HIGH-PERFORMANCE MILWAUKEE EIGHT 3-PIECE FLYWHEEL ASSEMBLIES","description":"\u003cp\u003eThe crankshaft is the heart of any performance engine and S\u0026amp;S has been perfecting the art for over six decades. Stronger, more durable, and trued to a spec others can only dream of, these crankshaft assemblies for the Milwaukee Eight are the best of the best to build your high performance engine around. Made out of heat treaded 4140 material, harder and more than twice as strong as stock. The stronger assembly eliminates the need to weld the crankpin. The High Strength connecting rods are designed with Finite Element Analysis to eliminate weak spots and handle more power. Consistent balance and precision machining makes them capable of higher RPM and perfect for gear drive cams. Crankshafts that have connecting rods with tapered piston wrist pin ends can be used with stock or S\u0026amp;S pistons. The full-width version can only be used with S\u0026amp;S pistons and S\u0026amp;S Big Bore cylinder kits. Crankshafts with 4 5\/8\" stroke can only be used with pistons that are designed for this stroke.\u003cstrong\u003e\u003cbr\u003e\u003cbr\u003e4 5\/8\" stroke gives:\u003c\/strong\u003e\u003cbr\u003e- 113CI from a 107CI engine with stock 3 15\/16\" bore\u003cbr\u003e- 117CI from a 114CI engine with stock 4 1\/64\" bore\u003cbr\u003e- 121CI from a 117CI engine with stock 4 5\/64\" bore\u003cbr\u003e- 131CI with an S\u0026amp;S 4 1\/4\" Big Bore kit\u003cbr\u003e- 136CI with an S\u0026amp;S 4.320\" Big Bore kit\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":56168970322295,"sku":"788974","price":3023.68,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/3244\/1207\/files\/standard-rgba_159f0b87-d463-4dc3-8d7c-f17d5b06551d.png?v=1762981275"},{"product_id":"788977","title":"S\u0026S HIGH-PERFORMANCE MILWAUKEE EIGHT 3-PIECE FLYWHEEL ASSEMBLIES","description":"\u003cp\u003eThe crankshaft is the heart of any performance engine and S\u0026amp;S has been perfecting the art for over six decades. Stronger, more durable, and trued to a spec others can only dream of, these crankshaft assemblies for the Milwaukee Eight are the best of the best to build your high performance engine around. Made out of heat treaded 4140 material, harder and more than twice as strong as stock. The stronger assembly eliminates the need to weld the crankpin. The High Strength connecting rods are designed with Finite Element Analysis to eliminate weak spots and handle more power. Consistent balance and precision machining makes them capable of higher RPM and perfect for gear drive cams. Crankshafts that have connecting rods with tapered piston wrist pin ends can be used with stock or S\u0026amp;S pistons. The full-width version can only be used with S\u0026amp;S pistons and S\u0026amp;S Big Bore cylinder kits. Crankshafts with 4 5\/8\" stroke can only be used with pistons that are designed for this stroke.\u003cstrong\u003e\u003cbr\u003e\u003cbr\u003e4 5\/8\" stroke gives:\u003c\/strong\u003e\u003cbr\u003e- 113CI from a 107CI engine with stock 3 15\/16\" bore\u003cbr\u003e- 117CI from a 114CI engine with stock 4 1\/64\" bore\u003cbr\u003e- 121CI from a 117CI engine with stock 4 5\/64\" bore\u003cbr\u003e- 131CI with an S\u0026amp;S 4 1\/4\" Big Bore kit\u003cbr\u003e- 136CI with an S\u0026amp;S 4.320\" Big Bore kit\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":56168970355063,"sku":"788977","price":1917.85,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/3244\/1207\/files\/standard-rgba_44dfbcac-da3b-4117-9962-6ee7aeaefd7b.png?v=1762981280"},{"product_id":"760513","title":"READY TO INSTALL STOCK REPLACEMENT CRANKSHAFTS FOR TWIN CAM","description":"\u003cp\u003eThese ready to install flywheel and connecting rod assemblies are made, assembled and balanced by S\u0026amp;S. They are highly recommended for performance applications, but are an excellent replacement for use in stock engines as well. Flywheels are fully rebuildable and made of forged steel and have pressed-in shafts. They feature a 1.671\" diameter crankpin and the connecting rods have, unlike stock flywheel assemblies, replaceable bearing races. Crank shafts for 1999-2006 models have a stock, 4\" stroke. Crankshafts for 2007 to present 96, 103 and 110CI models have a stock, 4 3\/8\" stroke.\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":56168970387831,"sku":"760513","price":1922.66,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/3244\/1207\/files\/23cd85489a9f.png?v=1762981282"},{"product_id":"760526","title":"READY TO INSTALL STOCK REPLACEMENT CRANKSHAFTS FOR TWIN CAM","description":"\u003cp\u003eThese ready to install flywheel and connecting rod assemblies are made, assembled and balanced by S\u0026amp;S. They are highly recommended for performance applications, but are an excellent replacement for use in stock engines as well. Flywheels are fully rebuildable and made of forged steel and have pressed-in shafts. They feature a 1.671\" diameter crankpin and the connecting rods have, unlike stock flywheel assemblies, replaceable bearing races. Crank shafts for 1999-2006 models have a stock, 4\" stroke. Crankshafts for 2007 to present 96, 103 and 110CI models have a stock, 4 3\/8\" stroke.\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":56168970420599,"sku":"760526","price":1922.66,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/3244\/1207\/files\/6b450ee7fd20.png?v=1762981283"},{"product_id":"760538","title":"READY TO INSTALL STOCK REPLACEMENT CRANKSHAFTS FOR TWIN CAM","description":"\u003cp\u003eThese ready to install flywheel and connecting rod assemblies are made, assembled and balanced by S\u0026amp;S. They are highly recommended for performance applications, but are an excellent replacement for use in stock engines as well. Flywheels are fully rebuildable and made of forged steel and have pressed-in shafts. They feature a 1.671\" diameter crankpin and the connecting rods have, unlike stock flywheel assemblies, replaceable bearing races. Crank shafts for 1999-2006 models have a stock, 4\" stroke. Crankshafts for 2007 to present 96, 103 and 110CI models have a stock, 4 3\/8\" stroke.\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":56168970453367,"sku":"760538","price":2034.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/3244\/1207\/files\/ee92e98f36ba.png?v=1762981284"},{"product_id":"760537","title":"READY TO INSTALL STOCK REPLACEMENT CRANKSHAFTS FOR TWIN CAM","description":"\u003cp\u003eThese ready to install flywheel and connecting rod assemblies are made, assembled and balanced by S\u0026amp;S. They are highly recommended for performance applications, but are an excellent replacement for use in stock engines as well. Flywheels are fully rebuildable and made of forged steel and have pressed-in shafts. They feature a 1.671\" diameter crankpin and the connecting rods have, unlike stock flywheel assemblies, replaceable bearing races. Crank shafts for 1999-2006 models have a stock, 4\" stroke. Crankshafts for 2007 to present 96, 103 and 110CI models have a stock, 4 3\/8\" stroke.\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":56168970486135,"sku":"760537","price":2036.02,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/3244\/1207\/files\/standard-rgba_726c2f3a-e14a-4ed1-af1e-f00a34247f4a.png?v=1762981288"},{"product_id":"794900","title":"CONNECTING ROD BEARING FOR TWIN CAM","description":"\u003cp\u003eYou won’t find these in OEM parts catalogs: a connecting rod bearing for Twin Cam. Works with OEM crankshafts, S\u0026amp;S 3-piece crankshafts and Daytona connecting rods.\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":56168970518903,"sku":"794900","price":185.85,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/3244\/1207\/files\/standard-rgba_b65f1b64-ded0-4ea9-9542-441bc57a47c3.png?v=1762981289"},{"product_id":"760539","title":"S\u0026S STROKER CRANK SHAFTS FOR TWIN CAM","description":"\u003cp\u003eThese stroker cranks in combination with the required stroker and\/or stroker Big Bore pistion kits turn your Twin Cam into a Mean Machine. Flywheels and connecting rods are made from high strength forgings, than fully machined and than balanced. Cranks feature a straight press crank pin and bearings as used in OEM crankshafts. Installation in 2003 and later models requires the use of the optional bearing assembly ZPN 231697. Note: Cranks for unlisted Twin Cams and other strokes, including those for Screamin' Eagle 120R engines, are available upon special order.\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":56168970551671,"sku":"760539","price":1922.66,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/3244\/1207\/files\/standard-rgba_21df6926-d060-4250-8e1e-be26310f15f6.png?v=1762981291"},{"product_id":"760527","title":"S\u0026S STROKER CRANK SHAFTS FOR TWIN CAM","description":"\u003cp\u003eThese stroker cranks in combination with the required stroker and\/or stroker Big Bore pistion kits turn your Twin Cam into a Mean Machine. Flywheels and connecting rods are made from high strength forgings, than fully machined and than balanced. Cranks feature a straight press crank pin and bearings as used in OEM crankshafts. Installation in 2003 and later models requires the use of the optional bearing assembly ZPN 231697. Note: Cranks for unlisted Twin Cams and other strokes, including those for Screamin' Eagle 120R engines, are available upon special order.\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":56168970584439,"sku":"760527","price":2034.9,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/3244\/1207\/files\/standard-rgba_dea219c9-c856-4f4e-a3f2-46ebd41a50a7.png?v=1762981292"},{"product_id":"752247","title":"S\u0026S STROKER CRANK SHAFTS FOR TWIN CAM","description":"\u003cp\u003eThese stroker cranks in combination with the required stroker and\/or stroker Big Bore pistion kits turn your Twin Cam into a Mean Machine. Flywheels and connecting rods are made from high strength forgings, than fully machined and than balanced. Cranks feature a straight press crank pin and bearings as used in OEM crankshafts. Installation in 2003 and later models requires the use of the optional bearing assembly ZPN 231697. Note: Cranks for unlisted Twin Cams and other strokes, including those for Screamin' Eagle 120R engines, are available upon special order.\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":56168970649975,"sku":"752247","price":1922.66,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/3244\/1207\/files\/a5f2eb7218c8.png?v=1762981297"},{"product_id":"752431","title":"S\u0026S STROKER CRANK SHAFTS FOR TWIN CAM","description":"\u003cp\u003eThese stroker cranks in combination with the required stroker and\/or stroker Big Bore pistion kits turn your Twin Cam into a Mean Machine. Flywheels and connecting rods are made from high strength forgings, than fully machined and than balanced. Cranks feature a straight press crank pin and bearings as used in OEM crankshafts. Installation in 2003 and later models requires the use of the optional bearing assembly ZPN 231697. Note: Cranks for unlisted Twin Cams and other strokes, including those for Screamin' Eagle 120R engines, are available upon special order.\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":56168970682743,"sku":"752431","price":2036.02,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/3244\/1207\/files\/standard-rgba_6eebf3d2-a48b-47e2-a647-2f059184eb35.png?v=1762981297"},{"product_id":"782608","title":"S\u0026S CRANKSHAFT ASSEMBLY FOR EVOLUTION SPORTSTER","description":"\u003cp\u003eCNC machined from heat-treated, closed die, steel forgings, and stronger than cast iron or late stock style steel flywheels. These S\u0026amp;S flywheels are a 5-piece design that is easily rebuilt with standard flywheel fixtures and tools. Come balanced for use with stock pistons. Contrary to the OEM crankshaft in 2000-2003 models these crankshafts feature a separate sprocket shaft and pinion shaft, which makes a rebuild possible. Another great advantage is that installation requires the use of the 1986-1987 style pinion gear, pinion shaft oil pump drive gear and nut. These have proven to be much stronger as the OEM design used since 1988. Crankshafts are ready to install and balanced by S\u0026amp;S for use with stock 1200cc pistons. Great for engine rebuilds and new builds.\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":56168970715511,"sku":"782608","price":2110.03,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/3244\/1207\/files\/standard-rgba_03ab14d3-0098-435e-8fdb-2e3f037570f7.png?v=1762981299"},{"product_id":"231835","title":"S\u0026S CRANKSHAFT ASSEMBLY FOR EVOLUTION SPORTSTER","description":"\u003cp\u003eCNC machined from heat-treated, closed die, steel forgings, and stronger than cast iron or late stock style steel flywheels. These S\u0026amp;S flywheels are a 5-piece design that is easily rebuilt with standard flywheel fixtures and tools. Come balanced for use with stock pistons. Contrary to the OEM crankshaft in 2000-2003 models these crankshafts feature a separate sprocket shaft and pinion shaft, which makes a rebuild possible. Another great advantage is that installation requires the use of the 1986-1987 style pinion gear, pinion shaft oil pump drive gear and nut. These have proven to be much stronger as the OEM design used since 1988. Crankshafts are ready to install and balanced by S\u0026amp;S for use with stock 1200cc pistons. Great for engine rebuilds and new builds.\u003c\/p\u003e","brand":"Eastern MC Parts","offers":[{"title":"Default Title","offer_id":56168970748279,"sku":"231835","price":8.86,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/3244\/1207\/files\/standard-rgba_49852437-9b70-417d-ad0c-d5ba00de29f5.png?v=1762981300"},{"product_id":"234912","title":"S\u0026S CRANKSHAFT ASSEMBLY FOR EVOLUTION BIG TWIN","description":"\u003cp\u003eThese crankshaft assemblies for Evolution Big Twin are a direct replacement for 1984-1989 models and also work in 1990-1999 models when installed in conjuction with the pinion shaft gear parts as listed below. Contrary to the OEM crankshaft in 1990-1999 models these crankshafts feature a separate sprocket shaft and pinion shaft, which makes a rebuild possible. Another great advantage is that the 1984-1989 style pinion shafts have proven to be much stronger as the OEM design used in 1990-1999 models. Crankshafts are ready to install and balanced by S\u0026amp;S for use with stock pistons. Great for engine new builds and rebuilds.\u003c\/p\u003e","brand":"Jims","offers":[{"title":"Default Title","offer_id":56168970781047,"sku":"234912","price":196.68,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/3244\/1207\/files\/standard-rgba_064de3da-bd09-43f3-bd02-2c853df46e90.png?v=1762981305"},{"product_id":"734911","title":"S\u0026S CRANKSHAFT ASSEMBLY FOR EVOLUTION BIG TWIN","description":"\u003cp\u003eThese crankshaft assemblies for Evolution Big Twin are a direct replacement for 1984-1989 models and also work in 1990-1999 models when installed in conjuction with the pinion shaft gear parts as listed below. Contrary to the OEM crankshaft in 1990-1999 models these crankshafts feature a separate sprocket shaft and pinion shaft, which makes a rebuild possible. Another great advantage is that the 1984-1989 style pinion shafts have proven to be much stronger as the OEM design used in 1990-1999 models. Crankshafts are ready to install and balanced by S\u0026amp;S for use with stock pistons. Great for engine new builds and rebuilds.\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":56168970813815,"sku":"734911","price":119.52,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/3244\/1207\/files\/standard-rgba_2768c671-1951-4aae-a8e3-a71d721c11dd.png?v=1762981305"},{"product_id":"234911","title":"S\u0026S CRANKSHAFT ASSEMBLY FOR EVOLUTION BIG TWIN","description":"\u003cp\u003eThese crankshaft assemblies for Evolution Big Twin are a direct replacement for 1984-1989 models and also work in 1990-1999 models when installed in conjuction with the pinion shaft gear parts as listed below. Contrary to the OEM crankshaft in 1990-1999 models these crankshafts feature a separate sprocket shaft and pinion shaft, which makes a rebuild possible. Another great advantage is that the 1984-1989 style pinion shafts have proven to be much stronger as the OEM design used in 1990-1999 models. Crankshafts are ready to install and balanced by S\u0026amp;S for use with stock pistons. Great for engine new builds and rebuilds.\u003c\/p\u003e","brand":"Jims","offers":[{"title":"Default Title","offer_id":56168970846583,"sku":"234911","price":196.68,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/3244\/1207\/files\/standard-rgba_5201e837-db66-44e0-8d54-21b3bbf6e98c.png?v=1762981307"},{"product_id":"734910","title":"S\u0026S CRANKSHAFT ASSEMBLY FOR EVOLUTION BIG TWIN","description":"\u003cp\u003eThese crankshaft assemblies for Evolution Big Twin are a direct replacement for 1984-1989 models and also work in 1990-1999 models when installed in conjuction with the pinion shaft gear parts as listed below. 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