20-80-180 - Yellow spring

Dissolves and cleans heavy build-up of oil

***Please send your head in with valves assembled

delivering a massive holeshot and incredible pull out of corners

using STM Gen 1 ATV-style helixes

Heavy Duty Head Studs / ProR Category_Default Category/SXS/Polaris RZR/RZR TURBOR 22+ 20-80-180 - Yellow springMade from ARP2000 material and rated to 220,000 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. Heavy duty ARP head studs for RZR ProR Needed when adding a big bore or turbo Includes: studs, washers, nuts,