GM Gen III (LS1/2/3/6/L92) Head Improvement Kit Everything you need to assemble your own high performance heads.Each kit includes high grade performance parts with stainless steel valves. Kits designed for hydraulic roller applications.
Part Type: Head Improvement Kit Application: GM Gen III (LS1/2/3/6/L92) For OE, AFR Mongoose, Dart Pro-1 Heads Intake Valves Included: Yes, 8 Intake Valve Type: Competition Products Severe Application Valves Intake Valve Size: 2.020", 8mm Stem Intake Valve Material: Stainless Steel, Chrome Stem/Hardened Tip Exhaust Valves Included: Yes, 8 Exhaust Valve Type: Competition Products Severe Application Valves Exhaust Valve Size: 1.600", 8mm Stem Exhaust Valve Material: Stainless Steel, Chrome Stem/Hardened Tip Valve Springs Included: Yes, 16 Valve Spring Type: Howards Cams Beehive Hydraulic/Mechanical Flat Tappet/Hydraulic Roller Valve Spring Size: 1.280" O.D. Valve Spring Pressure: Closed: 120 @ 1.800", Open: 330 @ 1.200", 1.125" Coil Bind Valve Spring Max Lift: .620" Retainers Included: Yes, 16 Retainer Size: 8mm Retainer Material: Chrome Moly Steel Valve Locks Included: Yes, 32 Valve Lock Size: 8mm Bead Lock Valve Lock Material: Forged Steel Valve Seals Included: No Valve Seal Type: NA Valve Seal Size: NA Manufacturer: Competition Products Manufacturer's Part Number: 854126 Weight: Warranty: Per Item Manufacturer Quantity: Sold as Kit
Note: Must shim valve springs to correct height.
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