Made in USA
Crate Engine 521 ci.
Product Discontinued
FORD PERFORMANCEPART NUMBER: 397-M-6007-521FT

Crate Engine 521 ci.

Currently Unavailable

This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

Big Block
Ford Racing Crate Engine
  • 521 ci.
  • 609 hp @ 5750 rpm
  • 630 ft-lb of torque @ 4500 rpm
  • Front Sump Oil Pan

    • HP (SAE J607) 609 hp @ 5750 rpm
    • Torque (SAE J607) 630 lb-ft of torque @ 4500 rpm
    • HP (SAE 1349 Corrected) 580 hp @ 5750 rpm
    • Torque (SAE 1349 Corrected) 600 lb-ft of torque @ 4500 rpm
    • 10.0:1 compression ratio (nominal)
    • Forged aluminum dished pistons
    • Forged steel H-beam connecting rods, M-6200-C514
    • Billet steel mechanical roller camshaft , M-6250-A514 (mechanical roller camshafts not recommended for street use; contact Techline for more details)
    • High-performance front T-sump oil pan, fits most passenger cars that came equipped with front sump pans
    • MSD Distributor with M-12390-H Bronze Gear
    • Cast nodular iron crankshaft, M-6303-A514
    • New heavy-duty 4-bolt main siamese bore race block M-6010-A460
    • "Super Cobra Jet" aluminum cylinder heads M-6049-SCJB
    • Victor single plane intake manifold M-9424-H429 (requires Dominator carb)

      Look at what you get
    • A 521 cubic inch engine assembly that includes the items listed above and a multi-index timing chain set, push rods, roller rocker arms, heavy duty HV oil pump, pickup tube, high-performance oil pan, Ford Racing valve covers, aluminum front cover and water pump, high-performance damper, flywheel, spark plugs, related long block engine parts and NEW M-6010-A460 4-bolt main block
    • Ford Racing "Super Cobra Jet" aluminum cylinder heads. They flow significantly more than production 460 heads. Combustion chamber volume is 72cc (nominal)
    • Ford Racing "Super Cobra Jet" valve train includes dual-valve springs, retainers, keepers, seals and premium stainless steel swirl polished valves. Intake valve diameter is 2.20" and exhaust valve diameter is 1.76"
    • Ford Racing high-performance solid roller mechanical camshaft M-6250-A514 provides significant horsepower increases above 3500 RPM and good low-end torque. Valve lift is .640" intake and exhaust. Duration at .050" is 254 degrees intake and 258 degrees exhaust
    • Ford Racing forged aluminum dished pistons, bore size 4.390"

      INSTALLATION NOTES:
      Some or all of the following items may need to be changed from your original engine or modified for proper installation:
    • A different performance oil pan and pickup tube may be required for your application. Call the Techline at (800) FORD788 for more information.
    • The water pump will work for most 7.5L standard rotation applications.
    • The valve covers should work for most applications, optional valve covers sold separately
    • The auto transmission flywheel should work for most C-6 automatic transmission applications. For manual transmission applications use flywheel M-6375-Z460
    • If a mechanical fuel pump is to be used, the front cover must be changed, and a fuel pump eccentric added to the front of the camshaft.
    • Firing order 1-5-4-2-6-3-7-8.
    • Water outlet connector not included.
    • Built with current available parts. Photo and specs may vary.
    • Shipping weight approximately 715 lbs.
  • BrandFORD PERFORMANCE
    Package Height36.0
    Package Width36.5
    Package Length39.0
    Weight730.0 PG
    Part CategoryPerformance Parts
    Package Qty1
    Package TypeEA
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