Allstar Performance Base Plate Insert 1.400" - Set of 4 DX2700K Insert design provides a smooth

Insert design provides a smooth transition over simply removing the restrictor inserts

1977-1983 Pontiac Grand LeMans

Double Platinum

2029000 - FORCED AIR ADAPTOR (STRAIGHT)

Allstar Performance Base Plate Insert 1.400" - Set of 4 DX2700K Insert design provides a smoothTapered 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