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438″ – A1027
1979-2004 Mustang
1960-1972 Valiant
• 1350 series u-joint available in solid (non-crossdrilled)- See U1641
• Adapts spindles to OEM upright
GM 12 Blt 3.55 Standard Gear Set Richmond Gear – Produced in Italy GM 12 Bolt 8.875 Gears 438″ – A1027Part Number: RS12B355 Standard Gears are the perfect choice for replacement of OEM gear sets Providing long service life in Street, Street Track, & Oval track vehicles These gears can also be used in some Drag Race cars depending on weight & power If tooth breakage occurs, then Pro Gears or a larger rear end will become necessary Designed For 3. 07 to 3. 73 Carriers Will Not Fit Truck Rear Ends Machined From 8620 Forged Steel Heat Treated to Maximize