ARP 771-1004 Metric Thread Bolt Kit M8 x 1.25 x 35 12pt SS bolts ymm_75 this high-grade titanium header set

this high-grade titanium header set features a special manifold runner crossover part on each side

850˝ Adjuster Diameter-Pitch 7/16-20 Screw-in Depth 0

Fits Following Engines: 307 CID Chevrolet Small Block Generation I

this component is ideal for upgrading factory systems to advanced standalone engine management

0L S65 V8 Custom Age 625 Plus Rod Bolt Kit

ARP 771-1004 Metric Thread Bolt Kit M8 x 1.25 x 35 12pt SS bolts ymm_75 this high-grade titanium header setSpecifications Socket Size(s) 10mm 12pt UHL 35mm Thread Length 22mm Grip Length 13mm Thread Diameter Spacing M8 x 1. 25mm Grip Diameter 8mm Wrenching 10mm Head Height 7. 4mm Collar Diameter 15. 0mm