Polaris RZR 4 800 RZR S 800 Cylinder & Namura Pistons Gasket Top End Rebuild Kit Outlaw 500 A: This rebuild kit requires

A: This rebuild kit requires larger 30mm crankshaft webs

- 12-point flange nuts

VIT008CComplete Set Of Kibblewhite Performance OEM Size Stainless Steel Replacement Valves (All 5) & KPMI RED Viton Valve Stem Seals

Does NOT fit Pro Design Cool Heads (separate kit available)

and overall horsepower

Polaris RZR 4 800 RZR S 800 Cylinder & Namura Pistons Gasket Top End Rebuild Kit Outlaw 500 A: This rebuild kit requires60002, NA 50081K, NA 50081T, 2204393, 2202920, 3021513, 3021512, 281814, 281815, 281816, M9016, M9017, M9018, M9020, M9021, 3021511, 2203740, 2204396, 3022287, 3022283, 3021635, 3021514, 3021510, 3021508, 4961M08000, K8877DA 2, 292801, 5254357, 5247360, 3021639, 2202917, 3021638, BBK0019, CBK0224, NA 50081, 4091, K084, 822353, 808967, CY101, AT 09477, K8877DA 2, MT1119, MT1119 OEM, MT1120, M9052, C7994, 281818, 5134073 Polaris RZR 4 800 RZR S 800 Top