Products
Heads
501 Series Performance Head W/ seats and guide...
Made from an AA 501 Series Casting, It is set up to build the performance Head of your needs. It ...
Made 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: Increased material at the intake surface giving you the ability to make much bigger ports . A modernized Combustion chamber, for increased head flow & performance. 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 b...
$314.70 $314.95
Bare Casting
501 Series Performance Head W/ seats and guides...
Made from an AA 501 Series Casting, It is set up to build the performance Head of your needs. It ...
Made from an AA 501 Series Casting, It is set up to build the performance Head of your needs. It Comes with Seats 40x35.5, Guides, with a 12mm plug hole. The 501 Series Castings come STD with: Increased material at the intake surface giving you the ability to make much bigger ports . A modernized Combustion chamber, for increased head flow & performance. 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 b...
$314.70 $314.95
Bare Casting
501 Series Performance Head W/ seats and guides...
Made from an AA 501 Series Casting, It is set up to build the performance Head of your needs. It ...
Made 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: Increased material at the intake surface giving you the ability to make much bigger ports . A modernized Combustion chamber, for increased head flow & performance. 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 b...
$314.70 $314.95
Bare Casting
501 Series Performance Type 1 Head Bare No seats
AA 501 Series Casting, It is set up to build the performance Head of your needs. It Comes bare wi...
AA 501 Series Casting, It is set up to build the performance Head of your needs. It Comes bare with a 12mm plug hole, and with out Seats or Guides. Giving you the the ability to build any possible combo Street/Drag head you want. The 501 Series Castings come STD with: Increased material at the intake surface giving you the ability to make much bigger ports . A modernized Combustion chamber, for increased head flow & performance. A second Full Fin, so you can Fly cut your heads deeper to...
$239.70 $239.95
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