Chevy C20 Suburban Tornado Fuel Saver

E3 DIAMONDFIRE SPARK PLUG, SOLD INDIVIDUALLY -- 14 mm thread size, 19 mm reach, 0.81 in. hex size, gasket seat, resistor, 1.016 mm non-adjustable gap size, copper core electrode material, nickel alloy electrode tip material, projected insulator type; Guaranteed to provide more power while using less fuel, quicker starts and less fouling than competitive standard spark plugs.

Fits the following 1966-1969 Chevrolet C20 Suburban submodels:

• 1969-1969: Base; 8 Cyl 6.5L;
• 1966-1969: Base; 6 Cyl 4.1L;

E3 DIAMONDFIRE SPARK PLUG, SOLD INDIVIDUALLY -- 14 mm thread size, 11.17 mm reach, 0.62 in. hex size, tapered seat, resistor, 1.016 mm non-adjustable gap size, copper core electrode material, nickel alloy electrode tip material, projected insulator type; Guaranteed to provide more power while using less fuel, quicker starts and less fouling than competitive standard spark plugs.

Fits the following 1970-1986 Chevrolet C20 Suburban submodels:

• 1986-1986: Custom; 8 Cyl 5.0L;
• 1981-1986: Custom; 8 Cyl 5.7L;

• 1981-1986: Custom; 8 Cyl 7.4L;

• 1976-1986: Scottsdale; 8 Cyl 5.0L;

• 1976-1986: Silverado; 8 Cyl 5.0L;

• 1975-1986: Scottsdale; 8 Cyl 5.7L;

• 1975-1986: Scottsdale; 8 Cyl 7.4L;

• 1975-1986: Silverado; 8 Cyl 5.7L;

• 1975-1986: Silverado; 8 Cyl 7.4L;

• 1981-1982: Custom; 6 Cyl 4.8L;

• 1975-1982: Scottsdale; 6 Cyl 4.8L;

• 1975-1982: Silverado; 6 Cyl 4.8L;

• 1981-1981: Deluxe; 6 Cyl 4.8L;

• 1981-1981: Deluxe; 8 Cyl 5.7L;

• 1981-1981: Deluxe; 8 Cyl 7.4L;

• 1976-1980: Custom Deluxe; 8 Cyl 6.6L;

• 1976-1980: Scottsdale; 8 Cyl 6.6L;

• 1976-1980: Silverado; 8 Cyl 6.6L;

• 1975-1980: Custom Deluxe; 6 Cyl 4.8L;

• 1975-1980: Custom Deluxe; 8 Cyl 5.7L;

• 1975-1980: Custom Deluxe; 8 Cyl 7.4L;

• 1976-1978: Custom Deluxe; 8 Cyl 5.0L;

• 1973-1974: Base; 8 Cyl 7.4L;

• 1972-1974: Base; 8 Cyl 5.7L;

• 1970-1974: Base; 6 Cyl 4.1L;

• 1972-1973: Base; 8 Cyl 5.0L;

• 1970-1972: Base; 8 Cyl 6.6L;

Fits 25 more submodels. (Show all) Show less info

E3 DIAMONDFIRE SPARK PLUG, SOLD INDIVIDUALLY -- 14 mm thread size, 11.17 mm reach, 0.62 in. hex size, tapered seat, resistor, 1.016 mm non-adjustable gap size, copper core electrode material, nickel alloy electrode tip material, projected insulator type; Guaranteed to provide more power while using less fuel, quicker starts and less fouling than competitive standard spark plugs.

Fits the following 1970-1985 Chevrolet C20 Suburban submodels:

• 1981-1985: Custom; 8 Cyl 5.0L;
• 1981-1985: Custom; 8 Cyl 5.7L;

• 1976-1985: Scottsdale; 8 Cyl 5.0L;

• 1976-1985: Scottsdale; 8 Cyl 5.7L;

• 1976-1985: Silverado; 8 Cyl 5.0L;

• 1976-1985: Silverado; 8 Cyl 5.7L;

• 1981-1981: Deluxe; 8 Cyl 5.0L;

• 1981-1981: Deluxe; 8 Cyl 5.7L;

• 1976-1980: Custom Deluxe; 8 Cyl 5.0L;

• 1976-1980: Custom Deluxe; 8 Cyl 5.7L;

• 1976-1980: Custom Deluxe; 8 Cyl 6.6L;

• 1976-1980: Custom Deluxe; 8 Cyl 7.4L;

• 1976-1980: Scottsdale; 8 Cyl 6.6L;

• 1976-1980: Scottsdale; 8 Cyl 7.4L;

• 1976-1980: Silverado; 8 Cyl 6.6L;

• 1976-1980: Silverado; 8 Cyl 7.4L;

• 1970-1974: Base; 6 Cyl 4.8L;

• 1971-1971: Base; 6 Cyl 4.1L;

• 1971-1971: Base; 8 Cyl 5.0L;

• 1971-1971: Base; 8 Cyl 5.7L;

Fits 18 more submodels. (Show all) Show less info