super fast shipping
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.
The main caps are the backbone of your Jeep 4.0L Inline 6-Cylinder engine's bottom end, critical for crankshaft stability and overall engine longevity. This Auto Racing Products (ARP) High Performance Main Bolt Kit is an essential upgrade for any engine rebuild or performance application, providing significantly increased clamping force over factory hardware. Engineered from robust chromoly steel, these hex head main bolts ensure your 2-bolt main caps remain securely fastened, even under the most demanding conditions.
This high-performance main bolt kit is specifically designed for:
Whether you're building a high-horsepower engine or simply seeking to fortify your stock setup, these ARP main bolts are a foundational upgrade.
Auto Racing Products is renowned for producing the highest quality fasteners in the automotive industry. This main bolt kit is no exception, offering a significant improvement in strength and reliability compared to OEM bolts. By upgrading to ARP main bolts, you're investing in the core stability of your engine, protecting your crankshaft and ensuring consistent power delivery. For unparalleled engine component integrity, choose GGCRACING and ARP.
Other popular Auto Racing Products products customers consider together:
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.
The main caps are the backbone of your Jeep 4.0L Inline 6-Cylinder engine's bottom end, critical for crankshaft stability and overall engine longevity. This Auto Racing Products (ARP) High Performance Main Bolt Kit is an essential upgrade for any engine rebuild or performance application, providing significantly increased clamping force over factory hardware. Engineered from robust chromoly steel, these hex head main bolts ensure your 2-bolt main caps remain securely fastened, even under the most demanding conditions.
This high-performance main bolt kit is specifically designed for:
Whether you're building a high-horsepower engine or simply seeking to fortify your stock setup, these ARP main bolts are a foundational upgrade.
Auto Racing Products is renowned for producing the highest quality fasteners in the automotive industry. This main bolt kit is no exception, offering a significant improvement in strength and reliability compared to OEM bolts. By upgrading to ARP main bolts, you're investing in the core stability of your engine, protecting your crankshaft and ensuring consistent power delivery. For unparalleled engine component integrity, choose GGCRACING and ARP.
Other popular Auto Racing Products products customers consider together: