RACEWARE 12 Pt. HEAD NUTS.
The Nuts have an anti friction coating on them allowing for a more accurate torqe measurement of the head. The 12 point design givez you more spark plug clearance on the lower plug on the twin plug heads. Porsche tested these nuts and found that they allow the cylinder head to run 15 degrees cooler than their factory hex nuts.
Tips, Manuals and Instruction
Product Videos