Ratech Basic Ring & Pinion Installation Kit - 9 Ford, Open 2.891"/ 3.062"/ 2.891" or 3.250" Carrier Bearings, LM 102949, 603049, 501349, 104949 H77403FS 4L60E to 4L80E

4L60E to 4L80E

Cylinder Head Specifications: Combustion chamber volume: 100cc

and Chevy LS

Lock Ring / O-Ring Included

Lowers the rear of your 1967-1972 GM A-body 2-inch

Ratech Basic Ring & Pinion Installation Kit - 9 Ford, Open 2.891"/ 3.062"/ 2.891" or 3.250" Carrier Bearings, LM 102949, 603049, 501349, 104949 H77403FS 4L60E to 4L80EBasic Ring and Pinion Installation Kit Ford 9"Fits Ford 9" open axles. Contains Pinion Shims, Crush Sleeve, Pinion Seal, and Cover Gasket. (Image typical Kit may vary from image but will contain appropriate parts) Ratech wants all racers to know about The Myth that "All Shim Packs in the market are the same. They're just washer shaped steel that come in different thickness." WRONG! Ratech manufacture all of their shims in house on their own machinery.