Chev SB Mechanical Flat Tappet/Hydraulic Roller Head Improvement Kit
From mild to wild. Mechanical Flat Tappet/Hydraulic Roller applications. All premium parts including stainless steel valves.
Part Type: Head Improvement Kit
Application: Chevrolet Small Block (Cast Iron Heads) - World Sportsman II Heads
Intake Valves Included: Yes, 8
Intake Valve Type: Competition Products Severe Application Valves
Intake Valve Size: 2.055", 11/32" 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", 11/32" Stem
Exhaust Valve Material: Stainless Steel, Chrome Stem/Hardened Tip
Valve Springs Included: Yes, 16
Valve Spring Type: Hi-Tech Racing Products Performance Springs, Hyd./Mech. FT, Dual w/ Damper
Valve Spring Size: 1.437" O.D.
Valve Spring Pressure: Closed: 130 @ 1.750", Open: 285 @ 1.250", 1.125" Coil Bind
Valve Spring Max Lift: .625"
Retainers Included: Yes, 16
Retainer Size: 10 Degree
Retainer Material: 1010 Chrome Moly Steel
Valve Locks Included: Yes, 32
Valve Lock Size: 10 Degree
Valve Lock Material: Forged Steel
Valve Seals Included: Yes, 16
Valve Seal Type: Umbrella Seals
Valve Seal Size: 11/32"
Manufacturer: Competition Products
Manufacturer's Part Number: 851456
Weight:
Warranty: Per Item Manufacturer
Quantity: Sold as Kit
Note: Must shim valve springs to correct height.