Allstar Performance Differential Shim Kit - 7.5 in - GM 10-Bolt 1982-98 30005R The plug gap with a

The plug gap with a mag is a mere 015" -

238 in Thick

312 cc Intake

Features: High quality 100% TIG welded construction

Fuel Safe bladders are approved for use from hobby stock to NASCAR

Allstar Performance Differential Shim Kit - 7.5 in - GM 10-Bolt 1982-98 30005R The plug gap with aAllstar ring and pinion installation kits are available with or without bearings. Kits contain all the hard to find indi vidual parts for a quick, trouble free installation. 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, affordable and