Allstar Performance Chassis Bracket (Base Mount) Black 1.625" 20602Z Top Air System can be

Top Air System can be fitted to all ST4 and ST5 Formula and Wide GT model helmets

1992-1995 GMC P6500

fire retardant foam

Sizing the REV is fairly simple if you use this handy chart

Pro Series

Allstar Performance Chassis Bracket (Base Mount) Black 1.625" 20602Z Top Air System can beAluminum 2 piece brackets are designed to clamp around chassis tubing and features two straight through mounting holes with 1 4" 20 hardware spaced 2 1 2" apart. Bracket base measures 1 2" wide x 3 1 4" long. Use with our Round Tank Brackets (ALL14408 ALL14437) and Neck Mount Brackets (ALL14474 ALL14475) or may be used to mount other items with a threaded mount. Specialty items for the Shop, Trailer and Track. The Allstar Performance brand offers