1" Underhead Length. ARP Intake Manifold Bolt Kit. ARP MADE IN USA ! For Small Block Chevy (And Others). 3/8" 6 point Wrenching.
435-2101 ARP STAINLESS INTAKE MANIFOLD BOLT KIT BBC CHEVY 396 454 427 12 POINT
435-2102 ARP STAINLESS INTAKE MANIFOLD BOLT KIT BBC CHEVY 502 12 POINT HEAD
ARP Bolts Intake Manifold Stainless Steel Natural 12-Point Head Ford 429 460 Kit
ARP Black Intake Manifold Hardware Kit 8 Bolts For Honda Acura K20 K24 Engines
ARP for Intake Manifold Bot Kit 12pt Mopar 5.7/6.1L Hemi 444-2103
