JSR Performance manufactures a full line of high-performance big bore cylinders made in America. In addition, all of our cylinders have reinforced ribbed skirts and cylinder walls to specifically handle nitrous and stroker motors. Learn more about the UTVs, ATVs, and parts we manufacture and sell.
'04-05' TRX450 – 99mm Bore, 101mm bore standard and tall deck height available
'06 - up TRX450 – 101mm Bore standard and tall deck height available
'02-08' CRF450 – 101mm Bore, standard and tall deck available
LTR450 – 100mm standard deck height available
'04-08' - YFZ450 – 98mm, standard and tall deck height available
'04-08' – YFZ450 – 100mm, standard and tall deck height available
'09-11' – YFZ450 – 98mm, standard and tall deck height available, 100mm coming soon
Raptor, Rhino, Grizzly – 105.5mm standard deck height available
Banshee and Big Bore Cylinders
We also offer Banshee and TRX250R big bore cylinders from CP Industries.
JSR Performance is a certified exhaust dealer for a variety of exhaust system manufacturers. For instance, we carry exhaust systems that are made of high-quality materials to withstand weather, deterioration, and other environmental stressors. We’ll be here for you when your exhaust system wears out or reaches its lifespan, and our experts can recommend the right part for your system.