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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.
When building a high-performance Big Block Chevy (BBC) engine, the main caps are subject to immense force. The Auto Racing Products (ARP) Main Stud Kit is designed to handle this pressure, ensuring your main caps stay locked in place. This kit is specifically configured for 4-bolt main blocks and is the preferred choice for engine builders who demand maximum reliability and performance.
Using studs instead of bolts provides a more consistent clamping force, which is critical for maintaining proper bearing clearances in high-output engines. The studs are installed into the block without torque, allowing the main caps to be seated properly before the nuts are tightened. This process eliminates the stress of twisting a bolt into the block, ensuring a more accurate torque reading and a stronger overall assembly. Whether you are running a naturally aspirated street engine or a forced-induction race motor, these studs provide the peace of mind that your bottom end is secured with the best hardware available. Upgrade your engine build with this essential kit from GGCRACING.
| Brand | Auto Racing Products |
|---|---|
| Manufacturer part number | 135-5601 |
| GGC SKU | BQDN_135-5601 |
| UPC / GTIN | 672036002480 |
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 | 5.44 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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