502 Series Performance Heads 42 by 37.5 Valves, Pair 4340 Made from 6061-T aluminum and

Made from 6061-T aluminum and anodized black for a long lasting finish

14mm x 14mm

Covered in chrome-plated steel

Complete wiring kit includes 6-panel fuse box

These spindles widen your track approximately 3/4" per side

502 Series Performance Heads 42 by 37.5 Valves, Pair 4340 Made from 6061-T aluminum andThis is a brand new Set of 502 High Performance Cylinder Heads for a VW Type 1 2 or 3 Dual Port. Heads comes with Stainless Steel 42mm Intake and a Stainless Steel 37. 5mm Exhaust Valves, with Harden Keepers, Chromoly retainers, and Dual high rev springs. They areready to install. The 502 Series comes ported for you with a modernized combustion chamber for increased head flow & performance. There is a second Full Fin, so you can Fly cut your heads