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Chev BB Hydraulic/Mechanical Flat Tappet Head Improvement Kit
Everything you need to assemble your own high performance heads. Each kit includes: valve springs, spring retainers, valve locks, valve seals, and quality valves.
Part Type: Head Improvement Kit
Application: Chevrolet Big Block - For OE Style Cast Iron Heads
Intake Valves Included: Yes, 8
Intake Valve Type: Power Products Performance Valves
Intake Valve Size: 2.065", 3/8" Stem
Intake Valve Material: Stainless Steel, Chrome Stem/Hardened Tip
Exhaust Valves Included: Yes, 8
Exhaust Valve Type: Power Products Performance Valves
Exhaust Valve Size: 1.720", 3/8" Stem
Exhaust Valve Material: Stainless Steel, Chrome Stem/Hardened Tip
Valve Springs Included: Yes, 16
Valve Spring Type: Hi-Tech Racing Products High Performance Spring, Dual
Valve Spring Size: 1.470" O.D.
Valve Spring Pressure: Closed: 110 @ 1.880", Open: 345 @ 1.330", 1.270" Coil Bind
Valve Spring Max Lift: .560"
Retainers Included: Yes, 16
Retainer Size: 7 Degree
Retainer Material: 4140 Chrome Moly Steel
Valve Locks Included: Yes, 32
Valve Lock Size: 7 Degree
Valve Lock Material: Forged Steel
Valve Seals Included: Yes, 16
Valve Seal Type: VTO Ultimate Duty Seals
Valve Seal Size: 3/8" x .531"
Spring Locators Included: No
Spring Locator Size: NA
Spring Locator Material: NA
Manufacturer: Competition Products
Manufacturer's Part Number: 8515
Weight:
Warranty: Per Item Manufacturer
Quantity: Sold as Kit
Note: Must shim valve springs to correct height.
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