Engine Accessories

Replacement Holley EFI NTK Wide band Oxygen sensor. This sensor is a direct replacement for Holley HP, Dominator, Avenger and Terminator EFI systems. Each Sensor is hand calibrated to insure accurate readings when used in conjunction with your Holley EFI...

Fits: 2011-2017 Coyote engines w/o factory ball studs      Allows for coil cover attachment on all 2011-2017 5.0 4V F-150 Coyote engines OEM quality, steel ball studs Kit of 6 ball studs (1 kit required per engine)

WELD ON FILLER CAP FOR VALVE COVERS, FUEL TANKS, ETC AVAILABLE IN 1" AND 1.5" I.D. ALUMINUM

Carburetor Cover, 2-1/2 in Tall, Plastic, Black, 5-1/8 in Flange

Crankcase Evacuation System, Weld-On, Breathers / Grommets / Check Valves / Fittings, Requires 5/8 in Hose, Steel, Kit

Cylinder Head Dowels, Steel, Natural, GM LS-Series, Set of 4

Distributor Hold Down, Heavy Duty, Stud Mounted, Steel, Cadmium, Chevy V6 / V8, Kit

Engine Diaper, Strap-On, Universal V8, Each

Exhaust Port Blockoff, 1-Piece, Aluminum, Natural, Small Block Chevy, Pair  

Engine Oil Heater, External Pad, 400 watt, 110V, 36 in Cord, 5 x 7 in, Self Adhesive Attachment, Kit

Allows sanctioning bodies to conduct post-race inspections of connecting rods without removing oil pan Kit is easy to install Includes steel fitting to be welded to side of oil pan and a removable, lightweight 1" NPT aluminum inspection plug

By popular demand, we now offer Matched Sets of 602 Valve Springs. These are Genuine Chevrolet Performance quality steel replacement springs, completely legal for competition.   We go through multiple boxes of springs to rate each one, then...