ARP Main Studs for 4B11 Evo X (207-5403) ATI (6) M6 Stainless Flat Washers

(6) M6 Stainless Flat Washers

more high rpm power is found by eliminating the physical "collapse" (and resulting power loss) experienced by hydraulic lifters at certain rpm thresholds and valve spring pressure levels

Each kit includes one adapter and two washers for one spring

(1) STM V-Band Manifold

The English Racing 4G63/4G64 Underdrive Oil Pump Gear has a larger overall diameter to lower the very high oil pressures the DSM & Evo engines reach and allows more oil to be in the pan where it should be to protect the engine

ARP Main Studs for 4B11 Evo X (207-5403) ATI (6) M6 Stainless Flat WashersARP 207 5403 main studs for 4B11 Evo X. Kit includes a full replacement set of 20 studs and 20 nuts with assembly lube. Also offered from ARP as a Main Bolt Kit. Vehicle Fitment: Mitsubishi 4B11 2008 2015 Evolution X Includes: (10) ARP2000 Main Studs (M10) (10) ARP2000 Main Studs (M8) (10) 8740 Chrome Moly Steel 12 Point Nuts (M10) (10) 8740 Chrome Moly Steel 12 Point Nuts (M8) (1) Ultra Torque Fastener Assembly Lube More Info: All Pro Series ARP2000