SuperATV Polaris Pinion Bearing Retainer TRAN-P-RZR1K-001-51 Exhaust Valves 1 AFR and never requires

1 AFR and never requires free-air calibration when used with an AEM wideband AFR controller

No clamps included

Exceeds MIL-STD810G (mil-spec testing)

Dual split rear exit with polished stainless steel tips

SuperATV Polaris Pinion Bearing Retainer TRAN-P-RZR1K-001-51 Exhaust Valves 1 AFR and never requiresPolaris Pinion Bearing Retainer Upgrade your pinion bearing retainer and never worry about busting your transmission again. The OE pinion bearing retainer is notorious for going bad and is one of the weakest components in the Polaris transmission. When it fails, the pinion gear can come away from the snorkel gear and cause serious damage that results in serious money. SuperATV's cover is 30% thicker and made of an industry leading material found in