- Standard clearance (+0

designed specifically for these iconic I4 engines

you need a solution that provides not only increased strength but also the versatility to bore and hone the block to your desired specifications

Upgrading to high-performance valve springs is essential for any serious racing engine

known for powering models such as the BMW E12

Bring the Insanity Tee Size:Medium - Standard clearance (+0Become infused with insanity by repping 5150s most popular merch item! Double needle stitched with 100% cotton, yet, weve added our own ingredients in the material; bring the Insanity to the track with this tee and let everyone know you only use the best components for your builds. *Warning: All who wear the Troublemaker become infused with insanity, be prepared for the ultimate driving experience. 6 oz. 100% cotton Structured heavyweight fabric