OptiTorque Patriot Series Cylinder Head Stud Kit - 12 Point Nuts - Black Oxide - Subaru 4-Cylinder 10745 H781C153XL 5:1 compression with 2500+ stall

5:1 compression with 2500+ stall

Vehicle Applications: 1967-1969 Chevrolet Camaro Base CID 327 Naturally Aspirated GAS

Royal Purpleas proprietary Synerlec additive technology and additional performance enhancers to create a lubricant that maximizes horsepower and torque

Sealed Power B100 babbitt material is used in ultra-high-performance rod and main bearings for blown-fuel and alcohol engines that require high “embeddability” and conformability

OptiTorque Patriot Series Cylinder Head Stud Kit - 12 Point Nuts - Black Oxide - Subaru 4-Cylinder 10745 H781C153XL 5:1 compression with 2500+ stallProduct Description: Cylinder Head Stud Kit Patriot Series 12 Point Nuts Steel Black Oxide Subaru 4 Cylinder OptiTorque produces premium quality fasteners for a wide range of automotive applications. From stock rebuilds to hard core racing builds, OptiTorque fasteners are USA made and designed, featuring premium materials and designed to meet or exceed OEM specs.