Allstar Performance GM 12" Bolt Crosspin - 8.875" Ring Gear 54111111 Race and dyno proven air

Race and dyno proven air cleaners feature a low profile and free-flowing design that creates more power over standard flat air cleaner assemblies

fits 4x4-1/4" and 4x4-1/2" bolt patterns with 1/2" wheel studs

snug fit to enhance driver mobility

After installing your helmet hardware and test fitting your NecksGen in your car

Allstar Performance GM 12" Bolt Crosspin - 8.875" Ring Gear 54111111 Race and dyno proven airCross Pin GM 8. 875" 12 Bolt 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. Product Description: Cross Pin Steel 8. 875 in Ring Gear GM 12 Bolt Sold Individually