Supertech valve spring kits feature high-quality springs made from premium materials

00mm Exhaust   Hot Street   299° Intake / 294° Exhaust   13

a reputable company based in the USA known for producing top-quality automotive fasteners

*Warning: All who wear the Troublemaker become infused with insanity

Extensive hours were dedicated to testing various camshafts and meticulously comparing the results

B58 3.2L Stroker Kit by 5150 AutoSport gatT131RB Supertech valve spring kits featureBMW Toyota B58 Gen 1 & 2 Stroker Kit by 5150 AutoSport Bigger displacement, more torque and more power; Our 5150 AutoSport Stroker Kits are specifically designed for BMW & Toyota B58 Engines. Benefits of Stroking an Engine: Higher displacement offers greater power output and torque from increased cylinder volume and improved air fuel mixture combustion Longer crankshaft stroke increases connecting rod leverage for increased torque output at lower RPMs