Allstar Performance Carburetor Spacer Insert (Only) - 1.350" 35000 The XStack™ 10 is a

The XStack™ 10 is a stack of 10 laminated Tearoffs that are 2 mil thick each

Increased velocity by 5-10% for impact testing on the 2nd hit across all shell sizes

3/8 in NPT Inlet

063 in Thick

Nitrous Wrench

Allstar Performance Carburetor Spacer Insert (Only) - 1.350" 35000 The XStack™ 10 is aTapered 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