NAMURA TOP END GASKET KIT (NA-10005T) POLARIS RZR TURBO XP 4 1000 S The single expansion ring is

The single expansion ring is manufactured from stainless steel

the external seals become ineffective due to excess play allowing contamination to pass into the assembly

everything we manufacture is engineered with two things in mind: dependability and quality

Housing Sleeve Length (With Adjuster Fully Open): 82

Hypereutectic Casting Process: Provides higher silicon content for reduced expansion rates and additional wear resistance

NAMURA TOP END GASKET KIT (NA-10005T) POLARIS RZR TURBO XP 4 1000 S The single expansion ring isNAMURA TOP END GASKET KIT Top End Gasket Kit : Only includes the necessary gaskets for a top end rebuild including head, base, valve stem seals, & intake exhaust gaskets