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Richmond Gear GM 12-Bolt Pro Gear Ring and Pinion Set Ratio: 5.57

836-79-0031-1


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Richmond Gear 79-0031-1
$361.05
2 left in stock
GM 12-Bolt Pro Gear Ring and Pinion Set
  • Ratio: 5.57
  • Teeth: 39-7
  • Free Shipping - Ships
    Save $10 off $299, $20 off $599, $30 off $799, $100 off $1,599 Orders. Promo Code: SUMMERFUN exclusions apply
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    1966 PONTIAC LEMANS

    • Liter: 3.8
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: For GM 8.875" (12 Bolt); 5.57 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher; Requires Notched Cross Pin 80-0269-1 For Ring Gear Clearance
    • CUI: 230
    • Engine Type: L6 ( 3.8L / 230 )
    • Engine Vin: -

    1970 PONTIAC GRAND PRIX

    • Liter: 6.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: For GM 8.875" (12 Bolt); 5.57 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher; Requires Notched Cross Pin 80-0269-1 For Ring Gear Clearance
    • CUI: 400
    • Engine Type: V8 ( 6.6L / 400 )
    • Engine Vin: -

    1972 PONTIAC CATALINA

    • Liter: 6.6
    • SubModel: SAFARI
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: For GM 8.875" (12 Bolt); 5.57 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher; Requires Notched Cross Pin 80-0269-1 For Ring Gear Clearance
    • CUI: 400
    • Engine Type: V8 ( 6.6L / 400 )
    • Engine Vin: P

    1970 PONTIAC BONNEVILLE

    • Liter: 6.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: For GM 8.875" (12 Bolt); 5.57 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher; Requires Notched Cross Pin 80-0269-1 For Ring Gear Clearance
    • CUI: 400
    • Engine Type: V8 ( 6.6L / 400 )
    • Engine Vin: -

    1972 CHEVROLET EL CAMINO

    • Liter: 5.7
    • SubModel: SS
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: For GM 8.875" (12 Bolt); 5.57 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher; Requires Notched Cross Pin 80-0269-1 For Ring Gear Clearance
    • CUI: 350
    • Engine Type: V8 ( 5.7L / 350 )
    • Engine Vin: K

    1971 CHEVROLET CHEVELLE

    • Liter: 5
    • SubModel: GREENBRIER
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: For GM 8.875" (12 Bolt); 5.57 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher; Requires Notched Cross Pin 80-0269-1 For Ring Gear Clearance
    • CUI: 307
    • Engine Type: V8 ( 5L / 307 )
    • Engine Vin: -

    1971 PONTIAC CATALINA

    • Liter: 6.6
    • SubModel: BROUGHAM
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: For GM 8.875" (12 Bolt); 5.57 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher; Requires Notched Cross Pin 80-0269-1 For Ring Gear Clearance
    • CUI: 400
    • Engine Type: V8 ( 6.6L / 400 )
    • Engine Vin: -

    1970 PONTIAC CATALINA

    • Liter: 6.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: For GM 8.875" (12 Bolt); 5.57 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher; Requires Notched Cross Pin 80-0269-1 For Ring Gear Clearance
    • CUI: 400
    • Engine Type: V8 ( 6.6L / 400 )
    • Engine Vin: -

    1970 OLDSMOBILE DELTA 88

    • Liter: 7.5
    • SubModel: CUSTOM
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: For GM 8.875" (12 Bolt); 5.57 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher; Requires Notched Cross Pin 80-0269-1 For Ring Gear Clearance
    • CUI: 455
    • Engine Type: V8 ( 7.5L / 455 )
    • Engine Vin: -

    1972 CHEVROLET CAPRICE

    • Liter: 6.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: For GM 8.875" (12 Bolt); 5.57 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher; Requires Notched Cross Pin 80-0269-1 For Ring Gear Clearance
    • CUI: 400
    • Engine Type: V8 ( 6.6L / 400 )
    • Engine Vin: R

    1966 PONTIAC ACADIAN

    • Liter: 4.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: For GM 8.875" (12 Bolt); 5.57 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher; Requires Notched Cross Pin 80-0269-1 For Ring Gear Clearance
    • CUI: 283
    • Engine Type: V8 ( 4.6L / 283 )
    • Engine Vin: -

    1970 OLDSMOBILE VISTA CRUISER

    • Liter: 7.5
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: For GM 8.875" (12 Bolt); 5.57 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher; Requires Notched Cross Pin 80-0269-1 For Ring Gear Clearance
    • CUI: 455
    • Engine Type: V8 ( 7.5L / 455 )
    • Engine Vin: -

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