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Vehicle Info NeededRICHMOND GEARPART NUMBER: 836-79-0072-1
GM 12-Bolt Pro Gear Ring and Pinion Set Ratio: 4.56
$42937
Ships on Sep 14, 2026
Lowest Price GuaranteeGM 12-Bolt
- GM 12-Bolt Pro Gear Ring and Pinion Set
- Ratio: 4.56
- Teeth: 41-9
- Designed For Drag Racing
- Richmond's Pro Gear Ring and Pinion Sets are designed to resist breakage under harsh racing conditions. These race only gear sets are manufactured of professional quality, high performance materials and engineered for faster and more reliable performance.
Part TypeRing and Pinion
Product LineRichmond Pro Gear Ring and Pinion Sets
BrandRICHMOND GEAR
Package Height5.4
Package Width11.0
Package Length15.1
Weight14.8 PG
Part CategoryPerformance Parts
Ring Gear RotationStandard
Pinion Gear Teeth9
Ring Gear Tooth Quantity41
Carrier Series4
QuantitySold as a set
Differential Carrier Break3.90 and Higher
Cover Bolt Quantity12
Pinion Spline Count30
Ring Gear Material9310 Steel
Ring Gear Diameter8.875 in (225.4 mm)
Ring And Pinion Ratio4.56:1
Pinion Shaft Diameter1.625 in (41.3 mm)
Installation Kit IncludedNo
Pinion Gear Tooth Quantity9
Axle TypeGM 12 Bolt
Ring Gear Bolts12
Cover Bolts12
Ring Gear Teeth41
Ring Gear Bolt Quantity12
Part FitmentSemi Universal
Vendor Part Number79-0072-1
Package Qty1
Package TypeEA
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