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ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.
Provide your Big Block Ford (BBF) engine with the ultimate foundation for performance with the Auto Racing Products (ARP) 155-5402 Main Stud Kit. This essential upgrade for 2-bolt main applications replaces factory main bolts with high-strength studs, dramatically increasing main cap clamping force. This enhanced rigidity is crucial for preventing main cap distortion and crankshaft deflection, which can lead to catastrophic engine failure in high-stress environments. Perfect for race engines, supercharged, or turbocharged BBF builds.
Each main stud in the ARP 155-5402 kit is manufactured from aerospace-grade chromoly steel, a material selected for its exceptional tensile strength and resistance to stretching. The studs undergo ARP's rigorous heat-treating process and are then precision thread-rolled after heat treatment, significantly boosting their fatigue strength. The included hex nuts allow for precise and consistent torque application, while the black oxide finish provides a robust layer of corrosion protection, ensuring long-lasting performance and reliability in your Big Block Ford engine.
Don't compromise on the heart of your engine. The ARP 155-5402 main stud kit is a vital investment for maximizing the performance and longevity of your Big Block Ford. Choose GGCRACING for the best in automotive performance parts.
| Brand | Auto Racing Products |
|---|---|
| Manufacturer part number | 155-5402 |
| GGC SKU | BQDN_155-5402 |
| UPC / GTIN | 672036004361 |
Use the manufacturer part number when you compare with other listings or ask us to confirm a match.
| Box size | 8.5 × 4 × 2.5 in |
|---|---|
| Shipping weight | 3.5 lb |
Vehicle fitment is not listed for this part. Send us your year, make and model at sales@ggcracing.com and we will confirm before you order.
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