502 Series Performance Head W/ seats and guides 42 Intake 37.5 Exhaust opt-shuffle-pin-upg Part#: 113 201 075AB16

Part#: 113 201 075AB16

2 Operating Arm Guides

Patented skewed blade design results in high efficiency with lower noise

Part#: 008 VR 503T

Part #VW9600T4S66P

502 Series Performance Head W/ seats and guides 42 Intake 37.5 Exhaust opt-shuffle-pin-upg Part#: 113 201 075AB16Made from an AA 502 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 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