501 Series Performance Head W/ seats and guides 42 Intake 37.5 Exhaust WaterBoxer Engine size: 2365 with 71mm

Engine size: 2365 with 71mm Crank

VW Type 1 1600 Head Kit

***Please note that this rod set requires a Smaller Base Circle Cam to Clear***

The Biggest of the Big Bores

harden keepers

501 Series Performance Head W/ seats and guides 42 Intake 37.5 Exhaust WaterBoxer Engine size: 2365 with 71mmMade from an AA 501 Series Casting, It is set up to build the performance Head of your needs. It Comes with Seats 42x37. 5, Guides,with a 12mm plug hole. The 501 Series Castings come STD with: Increasedmaterialat the intakesurfacegivingyou theabilityto make much bigger ports. Amodernized Combustionchamber, for increased head flow & performance. AsecondFull Fin, soyoucanFlycutyourheads deeper to achieve almost any desired Head CC volume needed. Blocked