{"title":"Piston Sets - Powersports","description":null,"products":[{"product_id":"s-s-cycle-93-99-bt-super-e-g-breather-conversion-kit","title":"S\u0026S Cycle 93-99 BT Super E\/G Breather Conversion Kit","description":"Breather conversion kit for big twin engines updates earlier S\u0026amp;S air cleaner kits for 1993-1999 big twins to the latest breather hardware. Instead of o-rings, banjo fittings are sealed with durable silicon coated washers.","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":40688187703378,"sku":"SSC17-0486","price":51.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/4256\/2386\/products\/73686c4a851390a7ff6119cd7f27a939.jpg?v=1705732392"},{"product_id":"s-s-cycle-07-17-bt-107in-bolt-in-big-bore-kit-wrinkle-black","title":"S\u0026S Cycle 07-17 BT 107in Bolt-In Big Bore Kit - Wrinkle Black","description":"This bolt-in big bore kit is easy to install, and requires no machining or rebalancing. This is the largest bore (3.937\") that can be fit in a stock engine case. Stock engine height is maintained so there are no manifold or frame fitment issues. The S\u0026amp;S 11 fin cylinder design closely resembles OEM shape and come prefinished - ready to install. Cylinders feature increased fin area for better heat dissipation, and the centrifugal cast, gray iron liner features 40,000 psi tensile strength for superior wear and performance. The pistons in this kit have a 3cc pop-up dome for slightly higher compression rato. This is one reason to choose and S\u0026amp;S 107\" kit over the S\u0026amp;S 106\" kit which has slightly less compression.","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":40688196321362,"sku":"SSC910-0500","price":1345.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/4256\/2386\/products\/7db335534612afedbc936855f0d4035d.png?v=1705732685"},{"product_id":"s-s-cycle-99-06-bt-4in-bore-4in-stroke-cylinder-kit-wrinkle-black-w-highlight","title":"S\u0026S Cycle 99-06 BT 4in Bore 4in Stroke Cylinder Kit - Wrinkle Black w\/ Highlight","description":"Inspired by our Pro Stock Drag Race engines, these updated big bore kit utilizes a Ductile Cast Iron liner wrapped in cast aluminum for optimum thermal conductivity and performance. Bolt-in kits do not require machining, rebalancing or engine removal, and include just about everything you'll need to complete the installation. The biggest cylinder bore that can be installed in a stock crankcase without machining!","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":40688196517970,"sku":"SSC910-0646","price":1540.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/4256\/2386\/products\/869b03be8dbc0ba4255b6948c7dce908.jpg?v=1705732689"},{"product_id":"s-s-cycle-07-17-bt-models-110in-sidewinder-big-bore-kit-wrinkle-black","title":"S\u0026S Cycle 07-17 BT Models 110in Sidewinder Big Bore Kit - Wrinkle Black","description":"Inspired by our Pro Stock Drag Race engines, these updated big bore kit utilizes a Ductile Cast Iron liner wrapped in cast aluminum for optimum thermal conductivity and performance. Bolt-in kits do not require machining, rebalancing or engine removal, and include just about everything you'll need to complete the installation. The biggest cylinder bore that can be installed in a stock crankcase without machining!","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":40688196616274,"sku":"SSC910-0651","price":1540.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/4256\/2386\/products\/869b03be8dbc0ba4255b6948c7dce908_79c823c5-3e5e-4edc-9f02-73ab8a6cf381.jpg?v=1705732691"},{"product_id":"s-s-cycle-86-19-sportster-models-883-to-1200cc-conversion-kit-wrinkle-black","title":"S\u0026S Cycle 86-19 Sportster Models 883 to 1200cc Conversion Kit - Wrinkle Black","description":"Boost any 883cc Harley-Davidson Sportster to 1200cc. No machine shop? No problem, no machining is needed. Don't want to rebalance your stock 883cc flywheels? You don't need to since these pistons weigh the same as stock 883 pistons. Cylinder head modification is also not needed. The dished piston dome keeps compression down to a streetable 9.4:1 with stock 883cc heads. Installing this kit takes the same time as replacing a stock top end. It's just more fun when you're done.","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":40688196812882,"sku":"SSC910-0687","price":1128.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/4256\/2386\/products\/b89e9df0db944b08b909d04f96cc06ea.jpg?v=1705732695"},{"product_id":"s-s-cycle-00-21-sportster-models-883cc-to-1200cc-hooligan-kit-silver","title":"S\u0026S Cycle 00-21 Sportster Models 883cc to 1200cc Hooligan Kit - Silver","description":"Whether you're racing Hooligan flat-track or just want more power, the S\u0026amp;S Hooligan kits for 2000-'21 Harley-Davidson Sportster models will give you an edge on the competition. Boost that 883 to 1200cc. Bolt on big bore kits mean easy installation with no machining and no rebalancing. S\u0026amp;S bolt-in cams and Precision Tappets make the most of the added displacement.","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":40688196943954,"sku":"SSC910-0700","price":1822.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/4256\/2386\/products\/bfff9c2d3ce288cfc572710f3b12888b.jpg?v=1705732697"},{"product_id":"wiseco-88-06-yamaha-yfs200-blaster-prolite-2598cd-piston-kit","title":"Wiseco 88-06 Yamaha YFS200 Blaster ProLite 2598CD Piston Kit","description":"The Pro-Lite series is Wiseco's staple forged 2-stroke piston, offering great value for reliable all-purpose riding. These pistons are designed for both track and trail, providing refreshed performance with every ride. Pro-Lite pistons feature optimized forging for strength and extra lightning operations for enhanced throttle response. 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This all-purpose piston is perfect for riders seeking a balance of performance and reliability.","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":40702139138130,"sku":"WIS676M05400","price":129.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/4256\/2386\/products\/a76f34294f678d4fd5658e8f46cc3edd_464f25ce-f47b-4c6f-8fe2-b831a6871da3.jpg?v=1706530326"},{"product_id":"wiseco-kawasaki-kx6500-20-suzuki-rm6503-06752m04450-piston","title":"Wiseco Kawasaki KX6500-20\/Suzuki RM6503-06(752M04450) Piston","description":"This CNC-machined kit offers the optimal cam shape and profile for peak performance and service life. Precision machined, highest quality materials for strength and reduced friction. Extended life and sustained power. 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