Fits Ford 302HO/351W 1990-pontiac-firebird-esi3548487 giving pro drivers a decisive

giving pro drivers a decisive edge in head-to-head battles

and Classic Instruments’ Zeus Speedometer Technology™ for push-button calibration—no external boxes required

not all are created equal

The ® polyurethane bushings included provide better durability and enhanced ride quality

and non-adjustable valving allows for your choice of ride quality

Fits Ford 302HO/351W 1990-pontiac-firebird-esi3548487 giving pro drivers a decisivePROFORM Super Street Aluminum Roller Rockers have a beautiful anodized finish, extremely tight tolerances, and upgraded cage bearings. Fits Ford S B aluminum cylinder heads, pedestal mount '77 '94, 302HO and 351W hydraulic and roller cams. Rid your engine of internal friction with roller tipped rocker arms. The race proven full needle bearing, fulcrum, and roller tip not only unleash horsepower, they also lengthen valve train component life and reduce