ARP Head Stud Kit - for Nissan Skyline RB26 RB26DETT - 202-4207 fpr The SPX is covered in

The SPX is covered in a combination of beautiful perforated and smooth Italian leather

Compatible with the factory A340E Transmission

Max boost: 80+ psi

freeing up horsepower while improving spool time and throttle response

The GenV WG45 HyperGate45 External Wastegate is a Motorsport-proven

ARP Head Stud Kit - for Nissan Skyline RB26 RB26DETT - 202-4207 fpr The SPX is covered in202 4207 ARP Pro Series cylinder head studs are cold forged to ensure molecular integrity. They're heat treated prior to thread rolling and machining. ARP Pro Series kits are also available with 12 point nuts, and all studs come complete with hardened parallel washers for an even load distribution and accurate torque readings. With hundreds of models ready to ship, these cylinder head fasteners can be ordered for virtually any style engine.