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The ARP 400-7508 Valve Cover Stainless Steel 1/4 Inch by 20 Hex Bolt Kit is the best high strength fastener upgrade for engines with cast aluminum valve covers. This 14-piece kit includes premium grade stainless steel hex bolts designed to replace factory bolts that commonly strip aluminum threads. Manufactured to ARP exacting standards with polished hex heads and precision rolled threads, these bolts provide superior clamping force, corrosion resistance, and a clean professional appearance while preventing oil leaks and allowing higher torque values for secure valve cover sealing.
| Specification | Detail |
|---|---|
| Part Number | 400-7508 |
| Thread Size | 1/4 Inch by 20 |
| Piece Count | 14-Piece Kit |
| Material | Stainless Steel |
| Compatibility | Engines with Cast Aluminum Valve Covers (GM LS Series and Similar) |
| Installation | Direct Replacement for Factory Bolts |
| Country of Origin | United States |
| Warranty | Limited Lifetime (ARP) |
| Shipping Weight | Approx. 1 to 2 lbs |
| Application | Notes |
|---|---|
| GM LS Series Engines | Cast Aluminum Valve Covers (LS1, LS2, LS3, LS6, LS7, LSA, etc.) |
| Common | Chevrolet Camaro, Corvette, Silverado, GMC Sierra, and other GM LS-powered vehicles |
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