Revolution Performance Big Bore Cylinder Rear (100In.) 3.875N. Stroke 4.3 Y1High QualityBest OffersFast Shipping Overview of Revolution Performance 100 in. Big Bore Cylinder (rear only) replacement Not A KIT !Precision made for an optimal ring seal, perfect bore compatibility, quiet running and a longer lifespanRevolution Performance puts their pistons & cylinders through 2,000 hours of durability testing to ensure you get the best productpiston-to-sidewall clearances are accurate to 30 micron thicknesses for the quietest possible operationFor use with Revolution Performance big bore cylinders and Monster big bore cylindersMade in the U.S.A.Flat-top; 3.875 in. bore; 4.35 in. stroke; 10.5:1 compFor replacement rings use part no. 13-1759Revolution Performance pistons, rings and kits are sold by application and bore size. Please note that STANDARD and OVERSIZES are not indicated. To get the correct part, you must know the standard bore size to make sure you are ordering either the standard or correct amount of oversize that you need. If you have any questions, please call Technical Service.Specs Bore Size Compression Ratio Type Units3.875 in.10.5:1Piston KitEach PaymentBUY NOW!We accept payment by any of the following methods: PayPal Please pay as soon as possible after winning an auction, as that will allow us to post your item to you sooner! Returns We offer FREE Lower 48 USA shipping on most orders! (large items and freight not included) Your order will be dispatched within 1 working day of receiving payment (Monday-Friday) and you should expect to receive it according to the shippers tracking information that will be provided to you after payment is received and your item has been shipped In the very unlikely event that your item is lost or damaged during post, then WE are responsible and will issue either a full refund or replacement. Shipping If you are not 100% satisfied with your purchase, you can return the product and get a full refund or exchange the product for another one, be it similar or not. You can return a product for up to 30 days from the date you purchased it. Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt.High QualityBest OffersFast ShippingOverview of Revolution Performance 100 in. Big Bore Cylinder (rear only) replacement Not A KIT ! Precision made for an optimal ring seal, perfect bore compatibility, quiet running and a longer lifespan Revolution Performance puts their pistons & cylinders through 2,000 hours of durability testing to ensure you get the best product piston-to-sidewall clearances are accurate to 30 micron thicknesses for the quietest possible operation For use with Revolution Performance big bore cylinders and Monster big bore cylinders Made in the U.S.A. Flat-top; 3.875 in. bore; 4.35 in. stroke; 10.5:1 comp For replacement rings use part no. 13-1759 Revolution Performance pistons, rings and kits are sold by application and bore size. Please note that STANDARD and OVERSIZES are not indicated. To get the correct part, you must know the standard bore size to make sure you are ordering either the standard or correct amount of oversize that you need. If you have any questions, please call Technical Service. Specs Bore Size Compression Ratio Type Units 3.875 in. 10.5:1 Piston Kit Each Revolution Performance Big Bore Cylinder Rear (100In.) 3.875N. Stroke 4.3 Y1 Overview of Revolution Performance 100 in. Big Bore Cylinder (rear only) replacement Not A KIT !Precision made for an optimal ring seal, perfect bore compatibility, quiet running and a longer lifespanRevolution Performance puts their pistons & cylinders through 2,000 hours of durability testing to ensure you get the best productpiston-to-sidewall clearances are accurate to 30 micron thicknesses for the quietest possible operationFor use with Revolution Performance big bore cylinders and Monster big bore cylindersMade in the U.S.A.Flat-top; 3.875 in. bore; 4.35 in. stroke; 10.5:1 compFor replacement rings use part no. 13-1759Revolution Performance pistons, rings and kits are sold by application and bore size. Please note that STANDARD and OVERSIZES are not indicated. To get the correct part, you must know the standard bore size to make sure you are ordering either the standard or correct amount of oversize that you need. If you have any questions, please call Technical Service.Specs Bore Size Compression Ratio Type Units3.875 in.10.5:1Piston KitEach BUY NOW! Payment If you are not 100% satisfied with your purchase, you can return the product and get a full refund or exchange the product for another one, be it similar or not. You can return a product for up to 30 days from the date you purchased it. Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt. We offer FREE Lower 48 USA shipping on most orders! (large items and freight not included) Your order will be dispatched within 1 working day of receiving payment (Monday-Friday) and you should expect to receive it according to the shippers tracking information that will be provided to you after payment is received and your item has been shipped In the very unlikely event that your item is lost or damaged during post, then WE are responsible and will issue either a full refund or replacement. Shipping Returns We accept payment by any of the following methods: PayPal Please pay as soon as possible after winning an auction, as that will allow us to post your item to you sooner!Fast ShippingBest OffersHigh Quality Overview of Revolution Performance 100 in. Big Bore Cylinder (rear only) replacement Not A KIT !Precision made for an optimal ring seal, perfect bore compatibility, quiet running and a longer lifespanRevolution Performance puts their pistons & cylinders through 2,000 hours of durability testing to ensure you get the best productpiston-to-sidewall clearances are accurate to 30 micron thicknesses for the quietest possible operationFor use with Revolution Performance big bore cylinders and Monster big bore cylindersMade in the U.S.A.Flat-top; 3.875 in. bore; 4.35 in. stroke; 10.5:1 compFor replacement rings use part no. 13-1759Revolution Performance pistons, rings and kits are sold by application and bore size. Please note that STANDARD and OVERSIZES are not indicated. To get the correct part, you must know the standard bore size to make sure you are ordering either the standard or correct amount of oversize that you need. If you have any questions, please call Technical Service.Specs Bore Size Compression Ratio Type Units3.875 in.10.5:1Piston KitEach