Allstar Performance GM Metric Chassis Stock Lower Trailing Arm Bracket AS04121 Engines with center bolt style

Engines with center bolt style valve covers require ALL81341 mounting kit

Still integrated is the 1/8" NPT gauge port and 1:1 ratio boost reference port for easy forced induction connection

1978-1980 Pontiac Grand Am

1994-2003 Chevrolet Impala

Available in natural white

Allstar Performance GM Metric Chassis Stock Lower Trailing Arm Bracket AS04121 Engines with center bolt styleBracket kits include rear upper and lower trailing arm mounts that accept O. E. style bushings (included) and 1 2" hardware. Upper mount must be cut into two pieces (LH RH) and trimmed to desired height depending upon where housing is located in the chassis. Specialty items for the Shop, Trailer and Track. The Allstar Performance brand offers thousands of hard to find, specialty items that cover many segments in the performance aftermarket. For over