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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.
Achieving a reliable head gasket seal is the most critical step in any Gen III Hemi build. The Auto Racing Products (ARP) Pro Series Cylinder Head Bolt Kit (147-3901) provides the necessary clamping force to handle increased cylinder pressures, whether you are running a naturally aspirated setup or forced induction. Designed specifically for the 5.7L and 6.1L Hemi platforms, these bolts are a direct upgrade over stock hardware.
These bolts are manufactured from high-strength chromoly steel and heat-treated to ensure they maintain their integrity under extreme thermal cycling. The 12-point head design allows for precise torque application, ensuring that your cylinder heads are seated evenly across the entire surface. By utilizing these professional-grade fasteners, you eliminate the risk of head gasket failure caused by bolt stretch. Upgrade your Hemi build with the best hardware on the market. Find all your essential engine fastener kits and more at GGCRACING.
| Brand | Auto Racing Products |
|---|---|
| Manufacturer part number | 147-3901 |
| GGC SKU | BQDN_147-3901 |
| UPC / GTIN | 672036038175 |
Use the manufacturer part number when you compare with other listings or ask us to confirm a match.
| Box size | 10.8 × 7.3 × 2.3 in |
|---|---|
| Shipping weight | 7.1 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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