Allstar Performance Ring & Pinion GM 7.5" - Ratio: 3.42 112003 AFR's LSX cylinder head offers

AFR's LSX cylinder head offers unmatched flow performance and features 2

Get more lift and enjoy a smoother ride

OBD-II Connector

head and packaged 250 per box

grip and comfort

Allstar Performance Ring & Pinion GM 7.5" - Ratio: 3.42 112003 AFR's LSX cylinder head offersQuality 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.