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.