RZR ARP 625+ Head Stud Kit polaris rzr resulting in a block that's

resulting in a block that's optimized for top-tier performance

This package has been updated for those seeking maximum output

Tune for turbo upgrades

020") 252°/248° Dur @

Includes seals between the cooler and the air plenum on all 3 sides of the cooler to prevent charge air from bypassing around the core

RZR ARP 625+ Head Stud Kit polaris rzr resulting in a block that'sAR8691 Polaris XP Turbo (16 up) XP 1000 (14 up) ARP CustomAge625+ Head Stud Kit Made from ARP625+ Custom Age material and rated to 280,000 psi, ARP cylinder head studs not only offer superior clamp loads over cylinder head bolts, they provide proper alignment of the head and gasket with more accurate and consistent torque loading. Bolts will actually twist while torquing to proper spec, greatly reducing their ability to hold true.