Supertech BMW / VW 7mm Stem Triple Groove Hardened 7 Degree Valve Lock (Req 2 Per Valve) - Set of 16 Differential The world's first mufflers purpose-built

The world's first mufflers purpose-built to optimize the sound & power of crate and custom-built motors

GSC P-D Honda K-Series VTEC K20/24 Manganese Bronze Intake Valve Guide Stopper Style - SET OF 8

Solid bushings can increase the vibrations that are transmitted into the cabin and can increase the chances of rattling audible noises

Depending on your particular swap setup

M34x4 Thread Pitch

Supertech BMW / VW 7mm Stem Triple Groove Hardened 7 Degree Valve Lock (Req 2 Per Valve) - Set of 16 Differential The world's first mufflers purpose-builtSupertech BMW VW 7mm Stem Triple Groove Hardened 7 Degree Valve Lock (Req 2 Per Valve) Set of 16