Brand: Accel Manufacturer's Part Number: 140013 Part Type: Ignition Coils Product Line: ACCEL Brute Thunder HEI Super Coils Automotive Fittings Part Number: ACC-140013 UPC: 743047400135 Coil Style: In-cap Primary Resistance: 0.300 ohms Coil Internal Construction: Epoxy Coil Wire Attachment: HEI in-cap Coil Color: Yellow Maximum Voltage: 48,000 V Turns Ratio: 134:1 Secondary Resistance: 8.80K ohms Mounting Bracket Included: No Coil Wire Included: No Ballast Resistor Included: No Coil Shape: Square Quantity: Sold individually. Notes: Comes complete with ground strap, mounting screws, silicone coil gasket, low-ohm contact brush and spring, and a tan coil cover. This coil has a red and yellow primary wire. Description: ACCEL Brute Thunder HEI Super Coils are ACCEL's highest output GM-style HEI in-cap coils, period! They offer more energy at high rpm, with no loss at idle. ACCEL Brute Thunder HEI Super Coils are compatible with both original HEI ignitions and newer computer types, and they use your existing distributor. ACCEL Brute Thunder HEI Super Coils also come with all necessary hardware.