Nissan GTR RB26DETT ARP2000 Head Stud Kit 202-4207 genuine Nissan S13 Silvia

Nissan S13 Silvia

Nissan Laurel C33

40mm diameter piston

gives you better fuel economy and lowers emissions

- Nissan Cefiro A31

Nissan GTR RB26DETT ARP2000 Head Stud Kit 202-4207 genuine Nissan S13 SilviaARP RB26 HEAD STUDS 2000 SERIES 202 4207 When rebuilding an engine, there are several stock parts you wont want to reuse. Stock head studs bolts stretch over time, and even more so each time they are re tightened. If head studs stretch, head gaskets can blow, and possibly even worse. Racing puts more strain on an engine than it was meant to handle from the factory, it is normal for stock head studs to stretch in high power applications. Head studs are