502 Series Performance Head W/ seats and guides 40 Intake 35.5 Exhaust opt-t3-perform-long-block-and-tk-upg stainless steel bolts and copper

stainless steel bolts and copper nuts to resist corrosion

Works with most Performance engines as well 1600 to 2332

Rebuilt Volkswagen Water Cooled Vanagon Engines

Power Pipes Muffler Insertfor Empi4 Pipe Stinger Exhaust system 18-1047

or 1915 Thick-wall

502 Series Performance Head W/ seats and guides 40 Intake 35.5 Exhaust opt-t3-perform-long-block-and-tk-upg stainless steel bolts and copperMade from an AA 502 Series Casting, It is set up to build the performance Head of your needs. It comes with Seats 40x35. 5, Guides, with a 12mm plug hole. The 502 Series comes with our Stage 2 porting with a modernized combustion chamber for increased head flow & performance. There is a second Full Fin, so you can Fly cut your heads deeper to achieve almost any desired Head CC volume needed. Blocked off rocker stud bosses, to eliminate the O ring and