Name: Champion 661 Racing™ Spark Plug
SKU: 661
Price: 11.18 USD
Availability: OutOfStock

CHAMPION part description

Product Description

Coil Spring Set

Application Summary

1958-1964 Chevrolet Biscayne (Rear) (Doors: 2, 4 & Body: Sedan & Liter: 5.7, 3.8, 4.6, 6.7, 5.3 / Qualifier: Constant Rate Spring); 1958 Chevrolet Brookwood (Rear) (Liter: 5.7 & Transmission Code: Powerglide & Transmission Base Type: Transmission & Transmission Control Type: Automatic / Qualifier: Constant Rate Spring); 1958 Chevrolet Del Ray (Rear, Front) (Doors: 4, 2 & Body: Hardtop, Sedan & Liter: 3.8, 5.7, 4.6 / Qualifier: Constant Rate Spring, without Turboglide, without POWERGLIDE Transmission, with Air Conditioning); 1958 Chevrolet Nomad (Rear) (Doors: 4, 2 & Body: Wagon & Liter: 3.8, 5.7 / Qualifier: Constant Rate Spring, without POWERGLIDE Transmission); 1958 Chevrolet Sedan Delivery (Rear, Front) (Doors: 2, 4 & Body: Hardtop, Sedan, Coupe, Convertible & Liter: 5.7, 4.6, 3.8 / Qualifier: Constant Rate Spring); 1958 Chevrolet Yeoman (Rear) (Doors: 2, 4 & Body: Wagon & Liter: 3.8, 5.7 / Qualifier: Constant Rate Spring, without POWERGLIDE Transmission); 1958-1964 Chevrolet Bel Air (Rear, Front) (Doors: 4, 2 & Body: Sedan, Hardtop, Coupe & Liter: 4.6, 5.7, 3.8, 3.9, 6.7, 5.3 / Qualifier: Constant Rate Spring); 1958-1964 Chevrolet Impala Base (Rear) (Doors: 4, 2 & Body: Hardtop, Sedan, Convertible, Wagon & Liter: 4.6, 5.7, 3.8, 5.3, 6.7 / Qualifier: Constant Rate Spring, 6 Passenger)

Features & Benefits

100% Load tested
Exceptional combustion and strength
Easy to install
Ceramic insulator resists dielectric puncture
Provides like-new steering
Designed to withstand extreme operating temperatures and pressures
Designed to lower stresses for longer service life
Correct heat range is critical in maintaining peak performance throughout the race
Worn or sagging coil springs can cause premature tire wear due to vehicle misalignment

Product Attributes

Wire Diameter	0.60 IN
Wire Diameter	15.50 MM
Spring Color	Black
Front Spring Outside Diameter	4.900 IN
Front Spring Relaxed Length	16.84 IN
Front Spring Relaxed Length	427.70 MM
Front Spring Compressed Length	11.00 IN
Front Spring Compressed Length	279.40 MM
Rear Spring Relaxed Length	16.84 IN
Rear Spring Relaxed Length	427.70 MM
Rear Spring Compressed Length	11.00 IN
Rear Spring Compressed Length	279.40 MM
Rear Spring Outside Diameter	4.900 IN
Part Description	Coil Spring Set
Ground Electrode Tip Design	J Gap
Ground Electrode Core Material	Nickel Copper Alloy
Electrical Terminal Type	Removable Nut
Center Electrode Tip Material	Nickel Copper Alloy
Ground Electrode Quantity	1
Hex Size	15.9 MM
Manufacturer Heat Range	57
Reach	0.75 IN
Thread Diameter	12 MM
Resistor Type	No
Classification	Champion Racing Plugs
Plug Type	A57C
Title	Champion Racing Plugs- Boxed - A57C

Additional Information

Country of Origin (Primary)	MX
Canadian Harmonizing Tariff Code	7320200020
Harmonized Tariff Code (Schedule B)	7320201000
Harmonized Tariff Code (HTS)	8511100000
Refurbished Part	N
Remanufactured Part	N
UPC	00037551006014