Top End

Piston Kit With Gaskets - 71.94 Mm - Ktm P4C0720083002B KTM -- 300 EXC TPI -- (2019, 2020, 2022, 2018, 2021); KTM -- 300 EXC -- (2019, 2017, 2018); KTM -- 300 EXC Six Days -- (2020, 2018, 2017, 2019); KTM -- 300 EXC TPI Six Days -- (2020, 2018, 2019)

Black Diamond? valves feature one-piece stainless steel construction with stellite tips and special impregnation to improve wear properties and reduce friction; White Diamond? valves feature one-piece construction and hard chrome stemsSpring sets contain...

Spring kit is designed with increased spring rates and high lift compatibility compared to the stock springsCompatible with boosted or turbocharged applicationsCNC-machined titanium retainers and Cr-Si dual springs provide valvetrain control at high rpms...

Spring kits contain springs and titanium upper collars; lower collars included as required; spring kits are engineered for use with standard and oversized valvesSpring kits come complete for one motorKeepers are not includedMade in the U.S.A. Honda --...

Spring kits contain springs and titanium upper collars; lower collars included as required; spring kits are engineered for use with standard and oversized valvesSpring kits come complete for one motorKeepers are not includedMade in the U.S.A. Honda --...

Spring kits contain springs and titanium upper collars; lower collars included as required; spring kits are engineered for use with standard and oversized valvesSpring kits come complete for one motorKeepers are not includedMade in the U.S.A. Honda --...

Black Diamond? valves feature one-piece stainless steel construction with stellite tips and special impregnation to improve wear properties and reduce friction; White Diamond? valves feature one-piece construction and hard chrome stemsSpring sets contain...

Spring kits contain springs and titanium upper collars; lower collars included as required; spring kits are engineered for use with standard and oversized valvesSpring kits come complete for one motorKeepers are not includedMade in the U.S.A. Honda --...

Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black Diamond™ intake valvesExtend the life of the valvetrain and intake components by as much as 4x over the OEM titanium partsIncludes...

All pistons are heat treated with a T-5 hardening and tempering cycleAll piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston lifeCast piston kits are gravity cast aluminum alloy (not...

All pistons are heat-treated with a T-5 hardening and tempering cycleAll piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston lifeForged pistons are forged from 2618 aluminum for superior...

Athena Piston Kit With Gaskets - 76.96 Mm - Rmz250 P5F0770098004B Suzuki -- RM-Z 250 -- (2011, 2012, 2014, 2015, 2016, 2010, 2018, 2017, 2013)