66948C - 1955-96 Chevrolet/GM; Proform HEI Mechanical Advance Curve Set
66948C - 1955-96 Chevrolet/GM; Proform HEI Mechanical Advance Curve Set
In Stock Now!
MSRP: $8.99 set
$7.99 set
- Product #: 66948C
- CATEGORY: Performance Ignition Distributor Components
- BRAND: Proform Auto Parts
- SHIP TYPE: Standard |
- Emissions Compliance: Non-CARB Compliant |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
1955-96 Chevrolet/GM; Proform HEI Mechanical Advance Curve Set
This Performance Advance Curve Set for 1975-96 GM HEI Distributors features precision machined chromoly weights and center plate to eliminate erratic timing. Three sets of springs, guide bushings, and complete installation instructions make recurving your distributor easy.
Features:- Fits GM HEI Models 1996 and Earlier
- Will Not Work On Computer Controlled HEI Distributors
- Includes 3 Set of Springs, Limit Bushings and Weights for Custom-Curving Any HEI Distributor
- 100% New Components; Not Re-man or Refurbished
- Sold as One Set
- 1975 - 1975 Buick Apollo
- 1975 - 1996 Buick Century
- 1991 - 1996 Buick Commercial Chassis
- 1975 - 1990 Buick Electra
- 1975 - 1983 Buick Estate Wagon
- 1975 - 1996 Buick LeSabre
- 1991 - 1996 Buick Park Avenue
- 1975 - 1996 Buick Regal
- 1977 - 1980 Buick Riviera
- 1991 - 1996 Buick Roadmaster
- 1975 - 1989 Buick Skyhawk
- 1975 - 1996 Buick Skylark
- 1986 - 1987 Buick Somerset
- 1985 - 1985 Buick Somerset Regal
- 1987 - 1992 Cadillac Brougham
- 1975 - 1976 Cadillac Calais
- 1982 - 1988 Cadillac Cimarron
- 1975 - 1996 Cadillac Commercial Chassis
- 1975 - 1996 Cadillac DeVille
- 1975 - 1996 Cadillac Eldorado
- 1975 - 1996 Cadillac Fleetwood
- 1976 - 1996 Cadillac Seville
- 1975 - 1981 Chevrolet Bel Air
- 1987 - 1996 Chevrolet Beretta
- 1975 - 1996 Chevrolet Camaro
- 1975 - 1996 Chevrolet Caprice
- 1982 - 1996 Chevrolet Cavalier
- 1982 - 1990 Chevrolet Celebrity
- 1976 - 1987 Chevrolet Chevette
- 1980 - 1985 Chevrolet Citation
- 1984 - 1985 Chevrolet Citation II
- 1991 - 1994 Chevrolet Commercial Chassis
- 1987 - 1996 Chevrolet Corsica
- 1975 - 1996 Chevrolet Corvette
- 1975 - 1996 Chevrolet Impala
- 1975 - 1976 Chevrolet Laguna
- 1990 - 1996 Chevrolet Lumina
- 1975 - 1980 Chevrolet Monza
- 1975 - 1988 Chevrolet Nova
- 1975 - 1977 Chevrolet Vega
- 1987 - 1996 Chevrolet Blazer
- 1975 - 1986 Chevrolet C10
- 1975 - 1986 Chevrolet C10 Suburban
- 1982 - 1986 Chevrolet C15
- 1988 - 1996 Chevrolet C1500
- 1992 - 1996 Chevrolet C1500 Suburban
- 1975 - 1987 Chevrolet C20
- 1975 - 1986 Chevrolet C20 Suburban
- 1988 - 1996 Chevrolet C2500
- 1992 - 1996 Chevrolet C2500 Suburban
- 1975 - 1986 Chevrolet C30
- 1983 - 1996 Chevrolet C35
- 1988 - 1996 Chevrolet C3500
- 1975 - 1986 Chevrolet K10
- 1975 - 1986 Chevrolet K10 Suburban
- 1988 - 1996 Chevrolet K1500
- 1992 - 1995 Chevrolet K1500 Suburban
- 1975 - 1986 Chevrolet K20
- 1975 - 1986 Chevrolet K20 Suburban
- 1988 - 1996 Chevrolet K2500
- 1992 - 1996 Chevrolet K2500 Suburban
- 1977 - 1986 Chevrolet K30
- 1988 - 1996 Chevrolet K3500
- 1975 - 1986 Chevrolet K5 Blazer
- 1977 - 1977 Chevrolet LUV
- 1987 - 1987 Chevrolet R10
- 1987 - 1988 Chevrolet R10 Suburban
- 1989 - 1991 Chevrolet R1500 Suburban
- 1987 - 1988 Chevrolet R20
- 1987 - 1988 Chevrolet R20 Suburban
- 1995 - 1996 Chevrolet R25
- 1989 - 1989 Chevrolet R2500
- 1989 - 1991 Chevrolet R2500 Suburban
- 1987 - 1988 Chevrolet R30
- 1989 - 1991 Chevrolet R3500
- 1982 - 1996 Chevrolet S10
- 1983 - 1994 Chevrolet S10 Blazer
- 1995 - 1996 Chevrolet Silverado
- 1987 - 1994 Chevrolet Suburban
- 1995 - 1996 Chevrolet Suburban 1500
- 1995 - 1996 Chevrolet Tahoe
- 1975 - 1996 Chevrolet Truck
- 1987 - 1987 Chevrolet V10
- 1987 - 1988 Chevrolet V10 Suburban
- 1989 - 1990 Chevrolet V1500 Suburban
- 1987 - 1987 Chevrolet V20
- 1987 - 1988 Chevrolet V20 Suburban
- 1989 - 1990 Chevrolet V2500 Suburban
- 1987 - 1988 Chevrolet V30
- 1989 - 1990 Chevrolet V3500
- 1985 - 1996 Chevrolet Astro
- 1996 - 1996 Chevrolet Express 1500
- 1996 - 1996 Chevrolet Express 2500
- 1996 - 1996 Chevrolet Express 3500
- 1975 - 1995 Chevrolet G10
- 1975 - 1995 Chevrolet G20
- 1975 - 1996 Chevrolet G30
- 1990 - 1996 Chevrolet Lumina APV
- 1975 - 1980 Chevrolet P10
- 1975 - 1989 Chevrolet P20
- 1975 - 1996 Chevrolet P30
- 1975 - 1978 GMC C15
- 1975 - 1978 GMC C15 Suburban
- 1979 - 1996 GMC C1500
- 1979 - 1996 GMC C1500 Suburban
- 1975 - 1978 GMC C25
- 1975 - 1978 GMC C25 Suburban
- 1979 - 1996 GMC C2500
- 1979 - 1996 GMC C2500 Suburban
- 1975 - 1978 GMC C35
- 1979 - 1996 GMC C3500
- 1975 - 1996 GMC Jimmy
- 1975 - 1978 GMC K15
- 1975 - 1978 GMC K15 Suburban
- 1979 - 1996 GMC K1500
- 1979 - 1996 GMC K1500 Suburban
- 1975 - 1978 GMC K25
- 1975 - 1978 GMC K25 Suburban
- 1979 - 1996 GMC K2500
- 1979 - 1996 GMC K2500 Suburban
- 1977 - 1978 GMC K35
- 1979 - 1996 GMC K3500
- 1987 - 1987 GMC R1500
- 1987 - 1991 GMC R1500 Suburban
- 1987 - 1989 GMC R2500
- 1987 - 1991 GMC R2500 Suburban
- 1987 - 1991 GMC R3500
- 1982 - 1990 GMC S15
- 1983 - 1991 GMC S15 Jimmy
- 1991 - 1996 GMC Sonoma
- 1991 - 1991 GMC Syclone
- 1975 - 1996 GMC Truck
- 1992 - 1993 GMC Typhoon
- 1987 - 1987 GMC V1500
- 1987 - 1991 GMC V1500 Suburban
- 1987 - 1987 GMC V2500
- 1987 - 1991 GMC V2500 Suburban
- 1987 - 1991 GMC V3500
- 1992 - 1996 GMC Yukon
- 1975 - 1978 GMC G15
- 1979 - 1995 GMC G1500
- 1975 - 1978 GMC G25
- 1979 - 1995 GMC G2500
- 1975 - 1978 GMC G35
- 1979 - 1996 GMC G3500
- 1985 - 1996 GMC Safari
- 1992 - 1996 Oldsmobile 88
- 1975 - 1996 Oldsmobile 98
- 1985 - 1987 Oldsmobile Calais
- 1975 - 1992 Oldsmobile Custom Cruiser
- 1975 - 1991 Oldsmobile Delta 88
- 1982 - 1988 Oldsmobile Firenza
- 1996 - 1996 Oldsmobile LSS
- 1975 - 1984 Oldsmobile Omega
- 1975 - 1980 Oldsmobile Starfire
- 1975 - 1992 Oldsmobile Toronado
- 1975 - 1975 Oldsmobile Vista Cruiser
- 1991 - 1996 Oldsmobile Bravada
- 1982 - 1989 Pontiac 6000
- 1976 - 1987 Pontiac Acadian
- 1976 - 1977 Pontiac Astre
- 1982 - 1996 Pontiac Bonneville
- 1978 - 1981 Pontiac Catalina
- 1984 - 1988 Pontiac Fiero
- 1976 - 1996 Pontiac Firebird
- 1978 - 1996 Pontiac Grand Am
- 1976 - 1983 Pontiac Grand LeMans
- 1978 - 1996 Pontiac Grand Prix
- 1976 - 1978 Pontiac Grand Safari
- 1982 - 1983 Pontiac J2000
- 1984 - 1985 Pontiac J2000 Sunbird
- 1976 - 1981 Pontiac Laurentian
- 1976 - 1993 Pontiac LeMans
- 1976 - 1986 Pontiac Parisienne
- 1977 - 1984 Pontiac Phoenix
- 1987 - 1989 Pontiac Safari
- 1976 - 1994 Pontiac Sunbird
- 1981 - 1987 Pontiac T1000
- 1987 - 1991 Pontiac Tempest
- 1976 - 1977 Pontiac Ventura
- 1990 - 1994 Pontiac Trans Sport
This product fits the following vehicle applications. Click to view individual years.
Product Specifications
Shipping Dimensions- Weight: 1 Lb
- Dimensions: L: 8" x W: 3" x H: 1"
- Ship Type: Standard |
- Non-CARB Compliant: This product is not legal for street use on an emissions-controlled vehicle. It may be used on dedicated competition or pre-polution-controlled vehicles only.
Product Information
1955-96 Chevrolet/GM; Proform HEI Mechanical Advance Curve Set
This Performance Advance Curve Set for 1975-96 GM HEI Distributors features precision machined chromoly weights and center plate to eliminate erratic timing. Three sets of springs, guide bushings, and complete installation instructions make recurving your distributor easy.
Features:- Fits GM HEI Models 1996 and Earlier
- Will Not Work On Computer Controlled HEI Distributors
- Includes 3 Set of Springs, Limit Bushings and Weights for Custom-Curving Any HEI Distributor
- 100% New Components; Not Re-man or Refurbished
- Sold as One Set
- 1975 - 1975 Buick Apollo
- 1975 - 1996 Buick Century
- 1991 - 1996 Buick Commercial Chassis
- 1975 - 1990 Buick Electra
- 1975 - 1983 Buick Estate Wagon
- 1975 - 1996 Buick LeSabre
- 1991 - 1996 Buick Park Avenue
- 1975 - 1996 Buick Regal
- 1977 - 1980 Buick Riviera
- 1991 - 1996 Buick Roadmaster
- 1975 - 1989 Buick Skyhawk
- 1975 - 1996 Buick Skylark
- 1986 - 1987 Buick Somerset
- 1985 - 1985 Buick Somerset Regal
- 1987 - 1992 Cadillac Brougham
- 1975 - 1976 Cadillac Calais
- 1982 - 1988 Cadillac Cimarron
- 1975 - 1996 Cadillac Commercial Chassis
- 1975 - 1996 Cadillac DeVille
- 1975 - 1996 Cadillac Eldorado
- 1975 - 1996 Cadillac Fleetwood
- 1976 - 1996 Cadillac Seville
- 1975 - 1981 Chevrolet Bel Air
- 1987 - 1996 Chevrolet Beretta
- 1975 - 1996 Chevrolet Camaro
- 1975 - 1996 Chevrolet Caprice
- 1982 - 1996 Chevrolet Cavalier
- 1982 - 1990 Chevrolet Celebrity
- 1976 - 1987 Chevrolet Chevette
- 1980 - 1985 Chevrolet Citation
- 1984 - 1985 Chevrolet Citation II
- 1991 - 1994 Chevrolet Commercial Chassis
- 1987 - 1996 Chevrolet Corsica
- 1975 - 1996 Chevrolet Corvette
- 1975 - 1996 Chevrolet Impala
- 1975 - 1976 Chevrolet Laguna
- 1990 - 1996 Chevrolet Lumina
- 1975 - 1980 Chevrolet Monza
- 1975 - 1988 Chevrolet Nova
- 1975 - 1977 Chevrolet Vega
- 1987 - 1996 Chevrolet Blazer
- 1975 - 1986 Chevrolet C10
- 1975 - 1986 Chevrolet C10 Suburban
- 1982 - 1986 Chevrolet C15
- 1988 - 1996 Chevrolet C1500
- 1992 - 1996 Chevrolet C1500 Suburban
- 1975 - 1987 Chevrolet C20
- 1975 - 1986 Chevrolet C20 Suburban
- 1988 - 1996 Chevrolet C2500
- 1992 - 1996 Chevrolet C2500 Suburban
- 1975 - 1986 Chevrolet C30
- 1983 - 1996 Chevrolet C35
- 1988 - 1996 Chevrolet C3500
- 1975 - 1986 Chevrolet K10
- 1975 - 1986 Chevrolet K10 Suburban
- 1988 - 1996 Chevrolet K1500
- 1992 - 1995 Chevrolet K1500 Suburban
- 1975 - 1986 Chevrolet K20
- 1975 - 1986 Chevrolet K20 Suburban
- 1988 - 1996 Chevrolet K2500
- 1992 - 1996 Chevrolet K2500 Suburban
- 1977 - 1986 Chevrolet K30
- 1988 - 1996 Chevrolet K3500
- 1975 - 1986 Chevrolet K5 Blazer
- 1977 - 1977 Chevrolet LUV
- 1987 - 1987 Chevrolet R10
- 1987 - 1988 Chevrolet R10 Suburban
- 1989 - 1991 Chevrolet R1500 Suburban
- 1987 - 1988 Chevrolet R20
- 1987 - 1988 Chevrolet R20 Suburban
- 1995 - 1996 Chevrolet R25
- 1989 - 1989 Chevrolet R2500
- 1989 - 1991 Chevrolet R2500 Suburban
- 1987 - 1988 Chevrolet R30
- 1989 - 1991 Chevrolet R3500
- 1982 - 1996 Chevrolet S10
- 1983 - 1994 Chevrolet S10 Blazer
- 1995 - 1996 Chevrolet Silverado
- 1987 - 1994 Chevrolet Suburban
- 1995 - 1996 Chevrolet Suburban 1500
- 1995 - 1996 Chevrolet Tahoe
- 1975 - 1996 Chevrolet Truck
- 1987 - 1987 Chevrolet V10
- 1987 - 1988 Chevrolet V10 Suburban
- 1989 - 1990 Chevrolet V1500 Suburban
- 1987 - 1987 Chevrolet V20
- 1987 - 1988 Chevrolet V20 Suburban
- 1989 - 1990 Chevrolet V2500 Suburban
- 1987 - 1988 Chevrolet V30
- 1989 - 1990 Chevrolet V3500
- 1985 - 1996 Chevrolet Astro
- 1996 - 1996 Chevrolet Express 1500
- 1996 - 1996 Chevrolet Express 2500
- 1996 - 1996 Chevrolet Express 3500
- 1975 - 1995 Chevrolet G10
- 1975 - 1995 Chevrolet G20
- 1975 - 1996 Chevrolet G30
- 1990 - 1996 Chevrolet Lumina APV
- 1975 - 1980 Chevrolet P10
- 1975 - 1989 Chevrolet P20
- 1975 - 1996 Chevrolet P30
- 1975 - 1978 GMC C15
- 1975 - 1978 GMC C15 Suburban
- 1979 - 1996 GMC C1500
- 1979 - 1996 GMC C1500 Suburban
- 1975 - 1978 GMC C25
- 1975 - 1978 GMC C25 Suburban
- 1979 - 1996 GMC C2500
- 1979 - 1996 GMC C2500 Suburban
- 1975 - 1978 GMC C35
- 1979 - 1996 GMC C3500
- 1975 - 1996 GMC Jimmy
- 1975 - 1978 GMC K15
- 1975 - 1978 GMC K15 Suburban
- 1979 - 1996 GMC K1500
- 1979 - 1996 GMC K1500 Suburban
- 1975 - 1978 GMC K25
- 1975 - 1978 GMC K25 Suburban
- 1979 - 1996 GMC K2500
- 1979 - 1996 GMC K2500 Suburban
- 1977 - 1978 GMC K35
- 1979 - 1996 GMC K3500
- 1987 - 1987 GMC R1500
- 1987 - 1991 GMC R1500 Suburban
- 1987 - 1989 GMC R2500
- 1987 - 1991 GMC R2500 Suburban
- 1987 - 1991 GMC R3500
- 1982 - 1990 GMC S15
- 1983 - 1991 GMC S15 Jimmy
- 1991 - 1996 GMC Sonoma
- 1991 - 1991 GMC Syclone
- 1975 - 1996 GMC Truck
- 1992 - 1993 GMC Typhoon
- 1987 - 1987 GMC V1500
- 1987 - 1991 GMC V1500 Suburban
- 1987 - 1987 GMC V2500
- 1987 - 1991 GMC V2500 Suburban
- 1987 - 1991 GMC V3500
- 1992 - 1996 GMC Yukon
- 1975 - 1978 GMC G15
- 1979 - 1995 GMC G1500
- 1975 - 1978 GMC G25
- 1979 - 1995 GMC G2500
- 1975 - 1978 GMC G35
- 1979 - 1996 GMC G3500
- 1985 - 1996 GMC Safari
- 1992 - 1996 Oldsmobile 88
- 1975 - 1996 Oldsmobile 98
- 1985 - 1987 Oldsmobile Calais
- 1975 - 1992 Oldsmobile Custom Cruiser
- 1975 - 1991 Oldsmobile Delta 88
- 1982 - 1988 Oldsmobile Firenza
- 1996 - 1996 Oldsmobile LSS
- 1975 - 1984 Oldsmobile Omega
- 1975 - 1980 Oldsmobile Starfire
- 1975 - 1992 Oldsmobile Toronado
- 1975 - 1975 Oldsmobile Vista Cruiser
- 1991 - 1996 Oldsmobile Bravada
- 1982 - 1989 Pontiac 6000
- 1976 - 1987 Pontiac Acadian
- 1976 - 1977 Pontiac Astre
- 1982 - 1996 Pontiac Bonneville
- 1978 - 1981 Pontiac Catalina
- 1984 - 1988 Pontiac Fiero
- 1976 - 1996 Pontiac Firebird
- 1978 - 1996 Pontiac Grand Am
- 1976 - 1983 Pontiac Grand LeMans
- 1978 - 1996 Pontiac Grand Prix
- 1976 - 1978 Pontiac Grand Safari
- 1982 - 1983 Pontiac J2000
- 1984 - 1985 Pontiac J2000 Sunbird
- 1976 - 1981 Pontiac Laurentian
- 1976 - 1993 Pontiac LeMans
- 1976 - 1986 Pontiac Parisienne
- 1977 - 1984 Pontiac Phoenix
- 1987 - 1989 Pontiac Safari
- 1976 - 1994 Pontiac Sunbird
- 1981 - 1987 Pontiac T1000
- 1987 - 1991 Pontiac Tempest
- 1976 - 1977 Pontiac Ventura
- 1990 - 1994 Pontiac Trans Sport
Vehicle Fitment
This product fits the following vehicle applications. Click to view individual years.
Specifications
Product Specifications
Shipping Dimensions- Weight: 1 Lb
- Dimensions: 8" x 3" x 1"
- Ship Type: Standard |
- Non-CARB Compliant: This product is not legal for street use on an emissions-controlled vehicle. It may be used on dedicated competition or pre-polution-controlled vehicles only.
Frequently Bought Together
Chrysler, Dodge, Plymouth; Rallye Wheel; 15" x 8"; 5 x 4.5" Bolt Pattern; 4-1/2" Backspace; Silver Powder Coat; Each
Classic $201.99 ea
1972-74 Dodge Challenger; Front Fender; LH Driver Side
Classic $349.99 ea
1965-69 Mustang; Dual Exhaust Hanger Rear; Tailpipe to Insulator; Each
Classic $6.99 ea
1979-91 GM Truck Standard Steering Shaft with Rag Joint Flange
Classic $196.99 ea
1956 Chevrolet Bel Air, 150, 210, Nomad; Park Lamp Lens; OE Style Clear; Pair
Classic $18.99 pr
1958-64 Impala, Bel Air, Biscayne, CPP Rag Joint - 3/4"-30 Female x 3/4" Smooth
Classic $68.99 ea
1968-70 Charger, Coronet, GTX, Road Runner, Belvedere; Fuel Tank Sending Unit; 5/16" Outlet
Classic $59.99 ea
1957-58 Bel Air, 150, 210, Impala; Turn Signal Cancel Cam
Classic $5.99 ea
1956 Chevrolet Bel Air, 150, 210, Nomad; Hood Latch Assembly
Classic $99.99 ea
Valve Cover to Air Cleaner Hose (7/8" ID X 5-1/2" Long With 90° Bend)
Classic $25.99 ea
You May Also Like
Accel; 1955-74; Yellow; 42,000 Volt; 1.4 Ohm Primary; Superstock Ignition Coil; Points
Classic $35.99 ea
Chrysler Electric Conversion Distributor Kit. 361-383-400.
Classic $143.99 ea
1960-72 Dodge, Plymouth; Electronic Ignition Conversion Kit; Big Block Chrysler 361-383-400 Engines
Classic $180.99 set
1970-71 Mopar B & E-Body Big Block Spark Plug Wire Retainer Kit
Classic $66.99 set
1964-76 Dodge, Plymouth; Electronic Ignition Conversion Kit; Small Block 273, 318, 340, 360 Engines
Classic $180.99 set
1964-76 Dodge, Plymouth; HEI Distributor, Chrysler 273/318/340/360 V8; Black Cap
Classic $296.99 ea