ARP 1/4 -20 X 3.500 in 12PT BLACK OXIDE Pack of 5 # 640-3500 Rate_12 They're calibrated to give you

They're calibrated to give you the performance that you need

HP & Torque: 724 HP / 680 FT LBS

Holley Sniper EFI Hyperspark Ignition Coils

REQUIRES SANDEN 508 COMPRESSOR

Metering Block Material:

ARP 1/4 -20 X 3.500 in 12PT BLACK OXIDE Pack of 5 # 640-3500 Rate_12 They're calibrated to give youARP 1 4 20 X 3. 500 in 12PT BLACK OXIDE Pack of 5 # 640 3500 Please call for assistance Thread Size: 1 4 20 in. Underhead Length (in): 3. 500 in. Fastener Head Style: 12 point Fastener Material: Chromoly Fastener Finish: Black oxide Fastener Yield Strength (psi): 170,000 psi Wrench Diameter: 5 16 in. Washers Included: Yes Quantity: Sold as a set of 5.