Premium 8740 alloy construction ensures durability under extreme boost
Precision manufacturing delivers consistent fit and performance
Engineered for optimal cylinder head-to-block sealing to prevent leaks
Supports high-horsepower builds by maintaining integrity under stress
Summarized by Shop
Whether you are pushing an additional 100hp or 500hp over stock with your K20C1, optimum cylinder head to block sealing is critical. 4P head studs are premium grade 8740 alloy and are precisely manufactured to the highest quality standards. If you plan on turning up the boost and pushing the limits, don't forget this critical part of your