Allstar Performance GM 8.5" Ring and Pinion Gear Set - Ratio: 3.42 4386XLGBK which means ignition timing is

which means ignition timing is stable from 1 to 10

Includes 3 Sets of 8 Stacked Tear Offs

Made using lightweight

Breather kit provides a remote location for adding a larger breather to many popular manual transmissions

Aluminum shop towel holder is 11" wide to hold most standard size towel rolls

Allstar Performance GM 8.5" Ring and Pinion Gear Set - Ratio: 3.42 4386XLGBK which means ignition timing isQuality differential components are suitable for race, street, and off road use. Lapped in matched sets for quiet operation. 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 practical items available from Allstar Performance.