ARP AMC 343-401 1/2 70 and later hex head bolt kit 114-3602 EFI Regulators SuitsBoosted turbos 7075 & 7675:

SuitsBoosted turbos 7075 & 7675:

Manufacturer's Part Number: 20-0536-02

Oil restrictor and water fittings included

The big difference is in the shank design

1 x 1/8" NPT on EACH end of the block (IN PORTS)

ARP AMC 343-401 1/2 70 and later hex head bolt kit 114-3602 EFI Regulators SuitsBoosted turbos 7075 & 7675:ARP AMC 343 401 '70 present hex head bolt kit (114 3602) ARP High Performance Series Cylinder Head Bolt Kits 114 3602 ARP High Performance Series head bolt kits are tough. They are rated at 180,000 psi 15 percent stronger than Grade 8 fasteners. They come available with a reduced wrenching hex head or 12 point head that help eliminate the need for valvetrain removal when re torqueing cylinder heads. Brand: ARP Manufacturer's Part Number: 114 3602 Part