Ensure a secure and precise fit for your GM LS engine valley plate with this 12-point head bolt kit. Each bolt measures 14 cm in length, providing optimal reach and fastening strength. Improve engine reliability with hardware designed for exacting standards.

Secure your LS Chevy intake valley cover with ARP's precision-engineered black hex bolts, designed to provide reliable fastening under high-stress engine conditions. Measuring 17.80 cm in length, these bolts ensure a perfect fit and enhanced durability. Discover why these bolts are essential for maintaining engine integrity.

Ensure a secure, leak-free seal in your LS1 or LS2 engine with ARP's stainless steel 12-point valley cover bolt kit. Precision-engineered with a compact 17.8 cm length for exact fitment, it guarantees long-lasting durability under extreme conditions. Discover why this kit is essential for reliable engine assembly.