
E3.99R-8 Racing Spark Plug
E3.99R-8 is a 14mm, 0.708” reach plug with a 5/8” hex and a tapered seat. It is built to have a cold heat range, non-resistor, and is used a variety of racing applications. E3 "R-series" racing plugs are fitted with a nickel alloy ground electrode. This allows for excellent heat transfer and an adjustable gap for high compression engines.
CROSS-REFERENCE
Autolite AR94
NGK 7317, R5724-8
Champion S61YC
Original: $4.99
-65%$4.99
$1.75E3.99R-8 Racing Spark Plug
E3.99R-8 is a 14mm, 0.708” reach plug with a 5/8” hex and a tapered seat. It is built to have a cold heat range, non-resistor, and is used a variety of racing applications. E3 "R-series" racing plugs are fitted with a nickel alloy ground electrode. This allows for excellent heat transfer and an adjustable gap for high compression engines.
CROSS-REFERENCE
Autolite AR94
NGK 7317, R5724-8
Champion S61YC
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
E3.99R-8 is a 14mm, 0.708” reach plug with a 5/8” hex and a tapered seat. It is built to have a cold heat range, non-resistor, and is used a variety of racing applications. E3 "R-series" racing plugs are fitted with a nickel alloy ground electrode. This allows for excellent heat transfer and an adjustable gap for high compression engines.
CROSS-REFERENCE
Autolite AR94
NGK 7317, R5724-8
Champion S61YC






