OptiTorque Header Stud - 3/8-16 and 3/8-24 in Thread - 1.670 in Long - Broached - Big Block Chevy (Set of 16) EXT80350 Chrysler used two different coil

Chrysler used two different coil packs on the late model Hemi engines

The CNC machined bodies hold the fuel pumps securely and feature Viton chemical-resistant O-rings and guarantee a perfect leak-free fit

2016-2016 BMW 340i

Polished cast aluminum covers resist warping and leaking that is common with OE style stamped steel covers

OptiTorque Header Stud - 3/8-16 and 3/8-24 in Thread - 1.670 in Long - Broached - Big Block Chevy (Set of 16) EXT80350 Chrysler used two different coilProduct Description: Header Stud 3 8 16 and 3 8 24 in Thread 1. 670 in Long Nuts Included Broached Steel Black Oxide Big Block Chevy Set of 16 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.