ACCEL C-Cut Performance Spark Plugs 0576 LS7 The thread size is 1/4"

The thread size is 1/4" NPT Sensor: Tapered thread (threads that taper along the thread profile and decrease in diameter as you travel down the part)

UPC: 848238083767

UPC: 848238060775

750" UHL With 5/16" Socket Head HEX BOLTS 1/4" UNC x

Automotive Fittings Part Number: FEL-1161L

ACCEL C-Cut Performance Spark Plugs 0576 LS7 The thread size is 1/4"Brand: Accel Manufacturer's Part Number: 0576 Part Type: Spark Plugs Product Line: ACCEL C Cut Performance Spark Plugs Automotive Fittings Part Number: ACC 0576 UPC: 743047815786 Spark Plug Thread Size: 14mm Spark Plug Reach (in.): 0. 460 in. Spark Plug Reach (mm): 11. 68mm Manufacturer Heat Range: 6 Shorty Spark Plug: No Resistor: Yes Electrode Tip Material: Copper Electrode Core Material: Copper Center Electrode Type: Projected Spark Plug Seat