Significantly Reduces Intake Air Temperatures (IATs)

90 Degree Hose Ends

Avionics-quality hard chrome plating for superior heat resistance

Specifically designed for Kelford Cams Stage 2 & Stage 3 Camshafts for engines making over 1000HP

need a custom compression ratio

BMW S63 Head Stud Thread Insert Kit 11317563665 Significantly Reduces Intake Air TemperaturesThe BMW S63 Head Stud Thread Insert Kit provides your machine shop everything needed to repair or upgrade the engine block threads on S63 engines. Designed for precision and durability, this kit allows you to restore damaged threads or prepare the block for oversized head studs for improved clamping strength. Please note, this product does NOT include head studs. Head Studs are available for purchase here. Each BMW S63 Head Stud Thread Insert Kit