Installing a 7.3L Godzilla engine into a 65-79 F-series truck is the natural desire of many Ford truck enthusiasts. The OE GDZ oil pump location and the OE accessory drive present issues with GDZ engine swaps that Holley has sought to overcome. The Holley high-mount accessory drive, oiling system, and swap oil pan for the Ford 7.3-liter Godzilla engine effectively reduces the envelope this engine to make the GDZ engine a perfect fit. The integrated timing cover, oil pump, oil pan, water pump, alternator, and option for A/C and/or P/S, make a complete engineered swap solution for the classic F-series truck. The Holley system replaces Ford's sump-mounted oil pump with a high-capacity gerotor pump positioned behind the timing cover, gaining crucial crossmember and ground clearance. To ensure reliability, we have incorporated a proven pump design utilizing Melling sourced components that mimics the factory pressure level. Should your application require additional oil pressure, we offer a high-pressure spring kit (part# 302-102) for easy installation. Unlike most pumps that require removing the oil pan to change the pressure spring, we have introduced a first-of-its-kind external access port, allowing hassle-free spring switching. The F100 cast aluminum swap oil pan features a performance-minded windage tray and hinged trap-door baffle, guaranteeing proper oil pickup during high G maneuvers. Our accessory drive system offers flexible configuration options to meet various needs. Different alternator choices are available to cater to diverse performance and electrical requirements. If you prefer a customized modular setup, you can opt to exclude the A/C and/or P/S components. Holley's Godzilla High-Mount Accessory Drive is the ultimate solution for engine swaps, offering unparalleled functionality, adaptability, and ease of installation.

• Complete kits include everything needed for the most common, cost-effective combination – including all adapters, accessories, and belt

• Crank concentric driven Gerotor oil pump utilizes all Melling internal components

• OE style cast oil pan design with 6.5 quarts oil capacity (with filter) and 1/2-inch NPT turbo drain-back port

• Integrated oil priming ports and procedure and oil cooler plumbing

• "Always accessible" pressure spring port allows for quick oil spring pressure changes

• Advanced windage tray and baffle system keep oil in the sump

• New oil pan hardware and dipstick included

• Fits Ford 7.3-liter Godzilla engine – ideal for engine swaps

• Includes new front main seal and installation tool

• Works with the original factory crank pulley, as well as aftermarket damper/pulleys

• This high-mount accessory drive has all accessories pulled up and in tighter than other options

• Relocates heater hose connections out of sight for a noticeable visual improvement over the OE design

• Alternator options do not require the original ECU control to function

• P/S pump with the optional external reservoir is ideal for hydro-boost applications

• Choose from natural as-cast aluminum or black finish

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