NRG Quick Release Kit Gen 4.0 - Purple Body / Purple Ring w/ Handles Head Gaskets zinc-plated extension springs replace the

zinc-plated extension springs replace the OEM style torsion centering spring for better-centering action and more direct feel

This piece allows you to delete the heater hose on the back of a K20A/A2/A3/Z1 cylinder head

This bushing kit replaces the OEM rubber bushings with rigid 6061-T651 aluminum making for a much more decisive shift

Each coil pack cover includes spacers and stainless hardware to fit OE or custom valve covers using OE or aftermarket engine wiring harnesses

NRG Quick Release Kit Gen 4.0 - Purple Body / Purple Ring w/ Handles Head Gaskets zinc-plated extension springs replace theNRG Quick Release Kit Gen 4. 0 Purple Body Purple Ring w Handles