Check the listing for details. NGK Racing Spark Plugs - Stock #3992 - BR8EG - Solid Tip - 4 Pack. Condition: New. Listed at 29.90 USD. NGK Racing Spark Plugs - Stock #3992 - BR8EG - Solid Tip - 4 Pack NGK Racing Series Plugs are Engineered to Withstand the Harshest Engine Conditions. Special Insulator Nose Configurations Improve Throttle Response Corrugated Ribs Prevent Flashover Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer Copper Core Aids in Heat Removal Triple Seals Prevent Leakage Shell Thread Size: 14mm Thread Pitch: 1.25mm Seat Type: Gasket Resistor: Yes Resistor Value: 5K Ohm Reach: 19mm (3/4") Hex Size: 13/16" (21mm) Terminal Type: Solid Overall Height: ISO Gap: .024" (0.6mm) Center Electrode Material: Nickel Type: Fine Wire Size: 1.3mm Projection: Non-Projected Ground Electrode Material: Nickel Type: Standard Quantity: 1 Specifications Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft. Brand: NGK Heat Range: 8 Free shipping is in the lower 48 of the U.S only. Thanks If you do not purchase shipping insurance I will not be liable for any shipping damage or loss of the item or items. No returns on electrical/electronic items. All returns must be in the undamaged unopened original packaged. Product must be in original condition - no signs of wear or installation, all parts/tags/packaging intact.