Manley 5/16" BB Ford Guide Plate H761001 DiamondFire plugs create more power

DiamondFire plugs create more power while using less fuel (brake specific fuel consumption) than any other design

Exhaust Cut-Out

Not for computer-controlled carbs

Speedway Engineering Disc

Manley 5/16" BB Ford Guide Plate H761001 DiamondFire plugs create more powerProduct Description: Pushrod Guide Plate 5 16 in Pushrod Raised Steel Black Oxide Big Block Ford Set of 8 Manley Performance high performance and racing engine parts have been powering winners since 1966. Since our inception in March 1966, Manley Performance Products has been at the forefront of the high performance automotive industry. Founded by gearhead Hank Manley shortly after his graduation from Brown University, our journey began with a deep