Spark Plugs

Copper Plus spark plug has a copper core center electrode that allows for accurate control of heat range, optimizing performance, and longevity of the spark plugPatented SAC-9 semi-conductor resistor for maximum EMI and RFI suppressionPatented Ultraseal...

*American-made spark plug*High-conductivity copper nucleus and wide base insulator with special thermal bonding*522 nickel alloy electrode*Control heat, fight fouling and provide quick starts*Sold Individually As always, 21 Motorsports offers FAST and...

Copper Plus spark plug has a copper core center electrode that allows for accurate control of heat range, optimizing performance, and longevity of the spark plugPatented SAC-9 semi-conductor resistor for maximum EMI and RFI suppressionPatented Ultraseal...

Copper Plus spark plug has a copper core center electrode that allows for accurate control of heat range, optimizing performance, and longevity of the spark plugPatented SAC-9 semi-conductor resistor for maximum EMI and RFI suppressionPatented Ultraseal...

Features0.4 mm iridium center electrode: world's smallest diameter that maximizes firing potentialU-groove and taper cut ground electrode: provides faster spark flame growth and lessens heat quenchingDENSO patented 360 degree laser welding process:...

Features0.4 mm iridium center electrode: world's smallest diameter that maximizes firing potentialU-groove and taper cut ground electrode: provides faster spark flame growth and lessens heat quenchingDENSO patented 360 degree laser welding process:...

Features0.4 mm iridium center electrode: world's smallest diameter that maximizes firing potentialU-groove and taper cut ground electrode: provides faster spark flame growth and lessens heat quenchingDENSO patented 360 degree laser welding process:...

FeaturesDenso # 4045Denso Traditional Nickel Spark PlugU-Groove Ground ElectrodeDenso # 4045 Denso Traditional Nickel Spark Plug U-Groove Ground ElectrodeDenso's standard plugs have always offered a patented U-groove ground electrode producing for a...

The KEEPER 14' x 2" Ratchet Tie-Down includes an oversized ratchet and full-sized hooks for strength in cargo management. This tie-down is rated for a 500 lb. working load limit and 1,500 lb. break strength, making it ideal for a wide variety of...

Spark Plug - NGK Standard - 14 mm Thread - 0.749 in Reach - Gasket Seat - Stock Number 1598 - Resistor - Each As always, 21 Motorsports offers FAST and FREE shipping on Ngk part number FR2B-D. Please look around to find more great items from Ngk and all...

Spark Plug - NGK Standard - 14 mm Thread - 0.749 in Reach - Gasket Seat - Stock Number 1716 - Resistor - Set of 100 As always, 21 Motorsports offers FAST and FREE shipping on Ngk part number CS6-S100. Please look around to find more great items from Ngk...

Spark Plug - NGK Standard - 14 mm Thread - 0.500 in Reach - Gasket Seat - Stock Number 2633 - Resistor - Each As always, 21 Motorsports offers FAST and FREE shipping on Ngk part number BPR6HS-10. Please look around to find more great items from Ngk and...