Includes (4) AP3924 Spark Plugs. Thread Size: 14mm, Thread Pitch: 1.25mm, Seat Type: Gasket, Reach: 19mm (3/4"). Hex Size: 5/8" (16mm), Terminal Type: Solid. MATterial: Platinum, Type: Necked Down, Projection: Projected. Platinum tipped center electrodeee delivers precision firing, reduced gap erosion, increased durability, and improved fuelll efficiency over the life of the plug. Compatible with the Following: Bosh: 4002, 4101, 4102, 4202, FGR7KEQE0, FGR7KQE, FR8DC, FR8DPX, FR8DPX4, : 3071, RC10PYP4, RC12PYP, RC12YC, RC14YC, : 2546, 3072, 3248, 4134, 5182, 7090, 7964, BCP5EVX, BCP6EVX, BCPR5ES, BCPR5EVX-11, BKR5EGP, BKR5EIX, BKR5EIX-11, BKR5EVX, BKR5EVX-11, BKR5EVXA-11, BKR5EVXA-13, BKR6EP-11, FR45GP, FR5CP, FR5GP, ZER5FGP, ZFR5FIX-11, ZFR5FVX-11, ZFR5LP-13G, Torch: 8001, 8007, K5RT3P-11, K5RTP
