ARP 134-3701 Head Bolt Kit for CHEVROLET Small Block 12pt ymm_60 This product does not meet

This product does not meet emission compliance requirements for street or highway use

Protect threads in the engine block

030) that makes them the fastest responding wideband air/fuel ratio controllers in independent testing

308˝ Diameter - Pitch 7/16-20 Wheel Stud Hole Size - Cast Iron/Steel Hub 0

Weight Reduction: -7

ARP 134-3701 Head Bolt Kit for CHEVROLET Small Block 12pt ymm_60 This product does not meetIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all out competition powerplants. Simply stated, theres not a better stud setup on the market today. For openers, ARP uses a premium grade 8740 alloy that is rated far superior to aircraft quality. Each stud is placed vertically in special racks and precisely heat treated to 200, 000 psi. This procedure ensures complete heat