501 Series Performance Head W/ seats and guides 44 Intake 37.5 Exhaust Mahle Engine size:1700 & 1800cc

Engine size:1700 & 1800cc

The AA Long cylindersare 23

0L into something a little bigger with minimal machine work

This is a new set of 94mm Drag Race JE Forged Pistons with Long cylinders

Back Spacing: 4-3/8"

501 Series Performance Head W/ seats and guides 44 Intake 37.5 Exhaust Mahle Engine size:1700 & 1800ccMade 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