502 Series Performance Head W/ seats and guides 44 Intake 37.5 Exhaust opt-bore-to-94-mm-upg Only includes a pair of

Only includes a pair of Link/King Pin Carriers from P/N 22-2976-0

Lug holes are drilled 14x1

(1) Case Stud & Relief Valve Kit

Will fit P/N 98-1064-B

Part #: 211 201 125D

502 Series Performance Head W/ seats and guides 44 Intake 37.5 Exhaust opt-bore-to-94-mm-upg Only includes a pair ofMade from an AA 502 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 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