Rollmaster Double Roller Timing Chain Set - Billet Steel - Ford Y-Block MGXK The 8 Hole Top Air

The 8 Hole Top Air is designed to utilize the top ventilation channels on the HP7

GM LS and LT

5 in OD x 3

The front inlet can accommodate the factory style 84mm throttle body or the 92mm Hellcat throttle body

Rollmaster Double Roller Timing Chain Set - Billet Steel - Ford Y-Block MGXK The 8 Hole Top AirRed Series Timing Set, IWIS Pro Series Double Roller Chain, 9 Keyway Adjustable Crank Sprocket Rollmaster and Romac designs and manufactures high strength timing sets and harmonic balancers respectively. By using billet strength steel these products are both stronger and lighter than standard cast iron pieces. Product Description: Timing Chain Set Double Roller Billet Steel Ford Y Block