Chev LS1 5.7L Gen 111 ARP Harmonic Balancer Bolt Kit # 234-2503 Rate_15 The GM Licensed Tall LS

The GM Licensed Tall LS valve covers were designed to fit LS1

Flange Thickness (in

Square bore

and bulkhead fitting to return fuel into the tank

Chev LS1 5.7L Gen 111 ARP Harmonic Balancer Bolt Kit # 234-2503 Rate_15 The GM Licensed Tall LSChev LS1 5. 7L Gen 111 ARP Harmonic Balancer Bolt Kit # 234 2503 Harmonic Balancer Bolt, Chromoly, Black Oxide, 12 Point, All Gen. 3 4 Chevy, 4. 8, 5. 3, 6. 0L, 6. 2L, 7. 0L LS1, LS6, Each Thread Size: 16mm x 2. 0 Underhead Length (in): 4. 325 in. Head Style: 12 point Washer Included: Yes Fastener Tensile Strength (psi): 200,000 psi Fastener Material: 8740 chromoly Fastener Finish: Black oxide Quantity: Sold individually.