4P ARP Crank Pulley Bolt Engine Type:B-Series This Wiseco piston is the

This Wiseco piston is the latest offering from 4P for the K20C1 engine platform

Reshaped geometry controls chain motion at extreme RPM

Introducing BoostLine Connecting Rods by Wiseco Performance Products

Fits B18C (GSR) and B16/Type R Cylinder Heads

Ferrea valve springs

4P ARP Crank Pulley Bolt Engine Type:B-Series This Wiseco piston is theReplace that old and crusty crank pulley bolt with a more durable ARP replacement. There is nothing worse than putting your hard earned money into building a masterpiece engine and having to top it off with a crummy looking oxidized OEM bolt. This is a direct replacement for the OEM bolt and can be torqued and reused as many times as you like. This bolt has a much higher clamping load with its drastically increase yield and tensile strength. ARP and 4