Allstar Performance LH 78-87 GM Metric Brake Caliper MGMK 600'' exhaust valves this head

600'' exhaust valves this head moves tremendous volumes of air through conservative runner volumes

Electronics and side ports deleted for optimum weight saving

16 x 10 x 0

The Phantom Flex has a lot in common with the original Phantom

Stilo ST5 Low Air Intake

Allstar Performance LH 78-87 GM Metric Brake Caliper MGMK 600'' exhaust valves this headNew, not re manufactured stock style calipers are perfect replacements on most GM vehicles and will fit up to 1" wide rotor. Metric inlet thread is M10 1. 50. Big GM inlet thread is 7 16" 20. 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 30 years, customers worldwide have come to rely on the quality,