Chev BB Mechanical Flat Tappet/Hydraulic Roller 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 Dart Iron Eagle Heads
Intake Valves Included: Yes, 8
Intake Valve Type: Competition Products Severe Application Competition Valves
Intake Valve Size: 2.300", 11/32" Stem (+.250")
Intake Valve Material: Stainless Steel, Chrome Stem/Hardened Tip
Exhaust Valves Included: Yes, 8
Exhaust Valve Type: Competition Products Severe Application Competition Valves
Exhaust Valve Size: 1.880", 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 Spring, Dual
Valve Spring Size: 1.460" O.D.
Valve Spring Pressure: Closed: 120 @ 1.875", Open: 425 @ 1.110", 1.180" Coil Bind
Valve Spring Max Lift: .640"
Retainers Included: Yes, 16
Retainer Size: 10 Degree
Retainer Material: 4140 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: VTO Ultimate Duty Seals
Valve Seal Size: 11/32" x .531"
Spring Locators Included: No
Spring Locator Size: NA
Spring Locator Material: NA
Manufacturer: Competition Products
Manufacturer's Part Number: 853138
Weight:
Warranty: Per Item Manufacturer
Quantity: Sold as Kit
Note: Must shim valve springs to correct height.