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Proform HEI Advance Curve Kits 66948C Distributor Advance, Mechanical, GM, HEI, Kit

SKU: PRO66948C

Distributor Advance Kits

Proform HEI Advance Curve Kits 66948C Distributor Advance, Mechanical, GM, HEI, Kit

SKU: PRO66948C

Distributor Advance Kits
A$24.17
BACKORDER This item will be special ordered in for you. Contact us prior to purchase if you require an ETA.
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Description

IMPORTANT NOTICE: Fits GM type HEI distributors. Will not work with computer controlled HEI.

These HEI advance curve kits from Proform are offered with three sets of springs for custom-curving your own distributor. They're a must for modified engines.

Part Type

Distributor Advance Kits

Data: v4.2 - Upd: 2026-09-29 15:27:55

Specifications

Product Attributes - Brand
Proform Parts
Product Attributes - Manufacturer's Part Number
66948C
Product Attributes - Part Type
Distributor Advance Kits
Product Attributes - Product Line
Proform HEI Advance Curve Kits
Product Attributes - UPC
037995319480
Product Attributes - Advance Weights Included
Yes
Product Attributes - Advance Limit Bushings Included
Yes
Product Attributes - Spring Quantity
6
Product Attributes - Adjustable Vacuum Advance Included
No
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Notes
Fits GM type HEI distributors. Will not work with computer controlled HEI.

Reference Information

Brand Name/s Proform Parts
StreetFX SKU pro66948C
SFX Item ID 5007050
Supplier Item Code 5007050
Manufacturer SKU 66948C
Manufacturer UPC 37995319480

Compatibility

Application Data
  • MakeBUICK
    ModelAPOLLO
    Beginning Year1974
    Ending Year1975
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size5.7L/350
    Distributor TypeHEI
    Distributor ModelStock
  • MakeBUICK
    ModelAPOLLO
    SubmodelSR
    Beginning Year1975
    Ending Year1975
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size5.7L/350
    Distributor TypeHEI
    Distributor ModelStock
  • MakeBUICK
    ModelCENTURY
    Beginning Year1974
    Ending Year1974
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size7.5L/455
    Distributor TypeHEI
    Distributor ModelStock
  • MakeBUICK
    ModelCENTURY
    Beginning Year1974
    Ending Year1977
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size5.7L/350
    Distributor TypeHEI
    Distributor ModelStock
  • MakeBUICK
    ModelCENTURY
    SubmodelCUSTOM
    Beginning Year1975
    Ending Year1979
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size5.7L/350
    Distributor TypeHEI
    Distributor ModelStock
  • MakeBUICK
    ModelCENTURY
    SubmodelLUXUS
    Beginning Year1974
    Ending Year1974
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size5.7L/350
    Distributor TypeHEI
    Distributor ModelStock
  • MakeBUICK
    ModelCENTURY
    SubmodelLUXUS
    Beginning Year1974
    Ending Year1974
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size7.5L/455
    Distributor TypeHEI
    Distributor ModelStock
  • MakeBUICK
    ModelCENTURY
    SubmodelSPECIAL
    Beginning Year1979
    Ending Year1979
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size5.7L/350
    Distributor TypeHEI
    Distributor ModelStock
  • MakeBUICK
    ModelELECTRA
    Beginning Year1977
    Ending Year1977
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size5.7L/350
    Distributor TypeHEI
    Distributor ModelStock
  • MakeBUICK
    ModelELECTRA
    Submodel225
    Beginning Year1974
    Ending Year1974
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size7.5L/455
    Distributor TypeHEI
    Distributor ModelStock
  • MakeBUICK
    ModelELECTRA
    Submodel225
    Beginning Year1976
    Ending Year1976
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size7.5L/455
    Distributor TypeHEI
    Distributor ModelStock
  • MakeBUICK
    ModelELECTRA
    Submodel225
    Beginning Year1977
    Ending Year1979
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size5.7L/350
    Distributor TypeHEI
    Distributor ModelStock
  • MakeBUICK
    ModelELECTRA
    Submodel225 CUSTOM
    Beginning Year1974
    Ending Year1974
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size7.5L/455
    Distributor TypeHEI
    Distributor ModelStock
  • MakeBUICK
    ModelELECTRA
    Submodel225 LIMITED
    Beginning Year1974
    Ending Year1974
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size7.5L/455
    Distributor TypeHEI
    Distributor ModelStock
  • MakeBUICK
    ModelELECTRA
    SubmodelESTATE WAGON
    Beginning Year1980
    Ending Year1980
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size5.7L/350
    Distributor TypeHEI
    Distributor ModelStock
  • MakeBUICK
    ModelELECTRA
    SubmodelLIMITED
    Beginning Year1976
    Ending Year1976
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size7.5L/455
    Distributor TypeHEI
    Distributor ModelStock
  • MakeBUICK
    ModelELECTRA
    SubmodelLIMITED
    Beginning Year1978
    Ending Year1980
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size5.7L/350
    Distributor TypeHEI
    Distributor ModelStock
  • MakeBUICK
    ModelELECTRA
    SubmodelPARK AVENUE
    Beginning Year1978
    Ending Year1981
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size5.7L/350
    Distributor TypeHEI
    Distributor ModelStock
  • MakeBUICK
    ModelESTATE WAGON
    Beginning Year1974
    Ending Year1976
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size7.5L/455
    Distributor TypeHEI
    Distributor ModelStock
  • MakeBUICK
    ModelLESABRE
    Beginning Year1974
    Ending Year1975
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size7.5L/455
    Distributor TypeHEI
    Distributor ModelStock
  • MakeBUICK
    ModelLESABRE
    Beginning Year1974
    Ending Year1980
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size5.7L/350
    Distributor TypeHEI
    Distributor ModelStock
  • MakeBUICK
    ModelLESABRE
    Beginning Year1980
    Ending Year1980
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size5.7L/350
    Distributor TypeHEI
    Distributor ModelStock
  • MakeBUICK
    ModelLESABRE
    SubmodelCUSTOM
    Beginning Year1975
    Ending Year1976
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size7.5L/455
    Distributor TypeHEI
    Distributor ModelStock
  • MakeBUICK
    ModelLESABRE
    SubmodelCUSTOM
    Beginning Year1975
    Ending Year1978
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size5.7L/350
    Distributor TypeHEI
    Distributor ModelStock
  • MakeBUICK
    ModelLESABRE
    SubmodelLIMITED
    Beginning Year1979
    Ending Year1980
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size5.7L/350
    Distributor TypeHEI
    Distributor ModelStock

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