GM Rear Disc Brake Conversion Kit1964-1972 GM A-BodyStandard KitIncludes:11 in. Plain Rotors w/ 5 x 4.750 in. & 5 x 4.500 in. Dual Bolt PatternsRaw Calipers w/built in E-BrakeSee Special Note Below JEGS 555-630610 GM 10 & 12 Bolt Rear Disc Brake Conversion KitJEGS 630610 GM 10 & 12 Bolt Rear Axle Disc Brake Conversion Kit for GM A-Body Cars is an easy bolt-on solution for upgrading your GM rear-end to disc brake performance. This kit is designed for GM rear axles with coil springs and shocks that mount on the backside of the axle housing. JEGS 555-630610 GM 10 & 12 Bolt Rear Disc Brake Conversion Kit Includes: (1 Set) Loaded Raw Calipers Left/Driver Side and Right/Passenger Side w/Self Adjusting
JEGS 630610 GM Rear Disc Brake Conversion Kit 1964-1972 GM A-Body Standard Kit I

GM Rear Disc Brake Conversion Kit
  • 1964-1972 GM A-Body
  • Standard Kit
  • Includes:
  • 11 in. Plain Rotors w/ 5 x 4.750 in. & 5 x 4.500 in. Dual Bolt Patterns
  • Raw Calipers w/built in E-Brake
  • See Special Note Below JEGS 555-630610 GM 10 & 12 Bolt Rear Disc Brake Conversion Kit

    JEGS 630610 GM 10 & 12 Bolt Rear Axle Disc Brake Conversion Kit for GM A-Body Cars is an easy bolt-on solution for upgrading your GM rear-end to disc brake performance. This kit is designed for GM rear axles with coil springs and shocks that mount on the backside of the axle housing. 

    JEGS 555-630610 GM 10 & 12 Bolt Rear Disc Brake Conversion Kit Includes:
  • (1 Set) Loaded Raw Calipers Left/Driver Side and Right/Passenger Side w/Self Adjusting E-Brake, D54 Pads, and Mounting Hardware
  • (2) Hubless 10 Hole 11 in. Plain Rotors (Dual Lug Pattern: 5 x 4.500 in. and 5 x 4.750 in.)
  • (2) 10 mm Rubber Brake Hoses
  • (2) 10 mm Banjo Bolts
  • (4) 10 mm Copper Washers
  • (6) 3/8 -24 x 50 Bolts
  • (6) 3/8 -24 Lock Nuts
  • (6) 20 x 10.5 x 2 Washers
  • (2) Brake Hose Clips
  • (1 box) Left Driver Side & Right Passenger Side Caliper Brackets
  • (6) Shims
  • (2) Brake Hose Mounting Tabs
  • (2) Square Backing Plates/Axle Flange
  • JEGS 555-630610 GM 10 & 12 Bolt Rear Disc Brake Conversion Kit Notes:
  • Will NOT Fit These Applications: Axle Flange is too large to fit into the hat of the rotor. See the dimensions below before ordering.
  • 1964-1965 LeMans, Tempest & GTO
  • 1964-1972 Skylark & GS
  • 1970-1974 LeMans, Tempest, GTO, Cutlass & 442
  • Maximum Axle Flange Face Diameter of 6.11 in. with 2.786 in. Maximum Hub Register to fit Rotor Hat.
  • Fits GM Cars with Both Shocks Mounted Behind the Rear Axle Housing
  • The installation of disc brakes will require the use of 15 in. wheels.
  • This brake conversion kit will not work with 14 in. wheels.
  • Does Not Fit S-10 Chassis or Truck Frames
  • This kit Requires a disc/disc proportioning valve. We recommend JEGS 555-63025 sold separately.
  • We recommend a 1.125 in. large bore master cylinder when adding disc brakes. We recommend JEGS 555-631200 sold separately.
  • How To Measure Rear Axle Hub Flange & Register Dimensions

    From the iconic mail order catalog to a fully-stocked digital commerce experience, we have built a preferred destination for every gear-head, professional racer, weekend warrior and restoration nut who wants to take their vehicle to the next level.

    Around here, we don't just sell parts - we rely on them when driving our own cars around racetracks, dirt trails, and interstates across the country. Parts may be our business - but grease, fuel, exhaust, power, and speed are what we live for. 

    Today, more than 350 people are employed by JEGS and the business draws in hundreds of thousands of customers each year. Yet, we maintain the culture stared by Jeg Coughlin from the very beginning: a family-run performance shop that preserves a trusted relationship with each and every customer.

    From the iconic mail order catalog to a fully-stocked digital commerce experience, we have built a preferred destination for every gear-head, professional racer, weekend warrior and restoration nut who wants to take their vehicle to the next level.

    Around here, we don't just sell parts - we rely on them when driving our own cars around racetracks, dirt trails, and interstates across the country. Parts may be our business - but grease, fuel, exhaust, power, and speed are what we live for. 

    Today, more than 350 people are employed by JEGS and the business draws in hundreds of thousands of customers each year. Yet, we maintain the culture stared by Jeg Coughlin from the very beginning: a family-run performance shop that preserves a trusted relationship with each and every customer.

    From the iconic mail order catalog to a fully-stocked digital commerce experience, we have built a preferred destination for every gear-head, professional racer, weekend warrior and restoration nut who wants to take their vehicle to the next level.

    Around here, we don't just sell parts - we rely on them when driving our own cars around racetracks, dirt trails, and interstates across the country. Parts may be our business - but grease, fuel, exhaust, power, and speed are what we live for. 

    Today, more than 350 people are employed by JEGS and the business draws in hundreds of thousands of customers each year. Yet, we maintain the culture stared by Jeg Coughlin from the very beginning: a family-run performance shop that preserves a trusted relationship with each and every customer.

    From the iconic mail order catalog to a fully-stocked digital commerce experience, we have built a preferred destination for every gear-head, professional racer, weekend warrior and restoration nut who wants to take their vehicle to the next level.

    Around here, we don't just sell parts - we rely on them when driving our own cars around racetracks, dirt trails, and interstates across the country. Parts may be our business - but grease, fuel, exhaust, power, and speed are what we live for. 

    Today, more than 350 people are employed by JEGS and the business draws in hundreds of thousands of customers each year. Yet, we maintain the culture stared by Jeg Coughlin from the very beginning: a family-run performance shop that preserves a trusted relationship with each and every customer.

    From the iconic mail order catalog to a fully-stocked digital commerce experience, we have built a preferred destination for every gear-head, professional racer, weekend warrior and restoration nut who wants to take their vehicle to the next level.

    Around here, we don't just sell parts - we rely on them when driving our own cars around racetracks, dirt trails, and interstates across the country. Parts may be our business - but grease, fuel, exhaust, power, and speed are what we live for. 

    Today, more than 350 people are employed by JEGS and the business draws in hundreds of thousands of customers each year. Yet, we maintain the culture stared by Jeg Coughlin from the very beginning: a family-run performance shop that preserves a trusted relationship with each and every customer.

    From the iconic mail order catalog to a fully-stocked digital commerce experience, we have built a preferred destination for every gear-head, professional racer, weekend warrior and restoration nut who wants to take their vehicle to the next level.

    Around here, we don't just sell parts - we rely on them when driving our own cars around racetracks, dirt trails, and interstates across the country. Parts may be our business - but grease, fuel, exhaust, power, and speed are what we live for. 

    Today, more than 350 people are employed by JEGS and the business draws in hundreds of thousands of customers each year. Yet, we maintain the culture stared by Jeg Coughlin from the very beginning: a family-run performance shop that preserves a trusted relationship with each and every customer.

    From the iconic mail order catalog to a fully-stocked digital commerce experience, we have built a preferred destination for every gear-head, professional racer, weekend warrior and restoration nut who wants to take their vehicle to the next level.

    Around here, we don't just sell parts - we rely on them when driving our own cars around racetracks, dirt trails, and interstates across the country. Parts may be our business - but grease, fuel, exhaust, power, and speed are what we live for. 

    Today, more than 350 people are employed by JEGS and the business draws in hundreds of thousands of customers each year. Yet, we maintain the culture stared by Jeg Coughlin from the very beginning: a family-run performance shop that preserves a trusted relationship with each and every customer.

    PAYMENT

    We accept the following forms of payment:

    • PayPal
    • VISA
    • Discover
    • MasterCard
    • American Express

    SHIPPING

    Standard shipping is 1-5 business day delivery on most items.

    Additional delivery days may apply in some instances, such as hazardous items, mounted tires and wheels, oversized items, truck freight items, select zip codes, Global Shipping Program and remote delivery areas. 

    SALES TAX

    Taxes may be applicable at checkout 

    RETURN POLICY

    If you are not completely satisfied, return the new/unused item in the original box pre-paid (customer is responsible for shipping cost) postmarked within 90 days of purchase, with a copy of the invoice, for a refund/exchange. Once a return has been approved, the credit will be processed within 2 days to original form of payment. A 15% restocking fee will be deducted from any item returned more than 90 days after the ship date. A 15% reboxing fee will be deducted for any item not returned in its original packaging. 

    PAYMENT

    We accept the following forms of payment:

    • PayPal
    • VISA
    • Discover
    • MasterCard
    • American Express

    SHIPPING

    Standard shipping is 1-5 business day delivery on most items.

    Additional delivery days may apply in some instances, such as hazardous items, mounted tires and wheels, oversized items, truck freight items, select zip codes, Global Shipping Program and remote delivery areas. 

    SALES TAX

    Taxes may be applicable at checkout 

    RETURN POLICY

    If you are not completely satisfied, return the new/unused item in the original box pre-paid (customer is responsible for shipping cost) postmarked within 90 days of purchase, with a copy of the invoice, for a refund/exchange. Once a return has been approved, the credit will be processed within 2 days to original form of payment. A 15% restocking fee will be deducted from any item returned more than 90 days after the ship date. A 15% reboxing fee will be deducted for any item not returned in its original packaging. 

    PAYMENT

    We accept the following forms of payment:

    • PayPal
    • VISA
    • Discover
    • MasterCard
    • American Express

    SALES TAX

    Taxes may be applicable at checkout 

    SHIPPING

    Standard shipping is 1-5 business day delivery on most items.

    Additional delivery days may apply in some instances, such as hazardous items, mounted tires and wheels, oversized items, truck freight items, select zip codes, Global Shipping Program and remote delivery areas. 

    RETURN POLICY

    If you are not completely satisfied, return the new/unused item in the original box pre-paid (customer is responsible for shipping cost) postmarked within 90 days of purchase, with a copy of the invoice, for a refund/exchange. Once a return has been approved, the credit will be processed within 2 days to original form of payment. A 15% restocking fee will be deducted from any item returned more than 90 days after the ship date. A 15% reboxing fee will be deducted for any item not returned in its original packaging. 

    PAYMENT

    We accept the following forms of payment:

    • PayPal
    • VISA
    • Discover
    • MasterCard
    • American Express

    SALES TAX

    Taxes may be applicable at checkout 

    SHIPPING

    Standard shipping is 1-5 business day delivery on most items.

    Additional delivery days may apply in some instances, such as hazardous items, mounted tires and wheels, oversized items, truck freight items, select zip codes, Global Shipping Program and remote delivery areas. 

    RETURN POLICY

    If you are not completely satisfied, return the new/unused item in the original box pre-paid (customer is responsible for shipping cost) postmarked within 90 days of purchase, with a copy of the invoice, for a refund/exchange. Once a return has been approved, the credit will be processed within 2 days to original form of payment. A 15% restocking fee will be deducted from any item returned more than 90 days after the ship date. A 15% reboxing fee will be deducted for any item not returned in its original packaging. 

    PAYMENT

    We accept the following forms of payment:

    • PayPal
    • VISA
    • Discover
    • MasterCard
    • American Express

    SHIPPING

    Standard shipping is 1-5 business day delivery on most items.

    Additional delivery days may apply in some instances, such as hazardous items, mounted tires and wheels, oversized items, truck freight items, select zip codes, Global Shipping Program and remote delivery areas. 

    SALES TAX

    Taxes may be applicable at checkout 

    RETURN POLICY

    If you are not completely satisfied, return the new/unused item in the original box pre-paid (customer is responsible for shipping cost) postmarked within 90 days of purchase, with a copy of the invoice, for a refund/exchange. Once a return has been approved, the credit will be processed within 2 days to original form of payment. A 15% restocking fee will be deducted from any item returned more than 90 days after the ship date. A 15% reboxing fee will be deducted for any item not returned in its original packaging. 

    PAYMENT

    We accept the following forms of payment:

    • PayPal
    • VISA
    • Discover
    • MasterCard
    • American Express

    SHIPPING

    Standard shipping is 1-5 business day delivery on most items.

    Additional delivery days may apply in some instances, such as hazardous items, mounted tires and wheels, oversized items, truck freight items, select zip codes, Global Shipping Program and remote delivery areas. 

    SALES TAX

    Taxes may be applicable at checkout 

    RETURN POLICY

    If you are not completely satisfied, return the new/unused item in the original box pre-paid (customer is responsible for shipping cost) postmarked within 90 days of purchase, with a copy of the invoice, for a refund/exchange. Once a return has been approved, the credit will be processed within 2 days to original form of payment. A 15% restocking fee will be deducted from any item returned more than 90 days after the ship date. A 15% reboxing fee will be deducted for any item not returned in its original packaging. 

    PAYMENT

    We accept the following forms of payment:

    • PayPal
    • VISA
    • Discover
    • MasterCard
    • American Express

    SALES TAX

    Taxes may be applicable at checkout. 

    SHIPPING

    Standard shipping is 1-5 business day delivery on most items.

    Additional delivery days may apply in some instances, such as hazardous items, mounted tires and wheels, oversized items, truck freight items, select zip codes, Global Shipping Program and remote delivery areas. 

    RETURN POLICY

    If you are not completely satisfied, return the new/unused item in the original box pre-paid (customer is responsible for shipping cost) postmarked within 90 days of purchase, with a copy of the invoice, for a refund/exchange. Once a return has been approved, the credit will be processed within 2 days to original form of payment. A 15% restocking fee will be deducted from any item returned more than 90 days after the ship date. A 15% reboxing fee will be deducted for any item not returned in its original packaging. 

    WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov