Allstar Performance Base Plate Insert 1.350" - Set of 4 H778C31XL This auto racing roll cage

This auto racing roll cage net fits a window size of 18" High X 18" Wide

Use collar to adjust ride height and wedgeAllows 2in

AED originally designed these spacers for racing but soon found out the benefits on street cars eliminating hot soak and vapor lock problems associated with high underhood temperatures

down to fractions of a second in design speed control

1999-2002 GMC Sierra 1500

Allstar Performance Base Plate Insert 1.350" - Set of 4 H778C31XL This auto racing roll cageTapered inserts are machined to be within . 002" for precise tuning. Inserts feature a step to simply drop into spacers and have sizes engraved on each insert for easy identification. Sold in a set of 4. 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