501 Series Performance Head W/ seats and guides 44 Intake 37.5 Exhaust Mahle 80mm Stroker

80mm Stroker

The AA Long cylindersare 23

This is a Brand new Porsche 914/ VW Type IV Forged 4340 Chromoly counter-weighted crankshaft

Part # VW8700T1

270°/270° Duration

501 Series Performance Head W/ seats and guides 44 Intake 37.5 Exhaust Mahle 80mm StrokerMade from an AA 501 Series Casting, It is set up to build the performance Head of your needs. It Comes with Seats 44x37. 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