Ford Performance has taken its Boss Block to the max with the biggest small block Windsor crate engine ever - the Z460. With 575 horsepower and 575 Lb. Ft. of torque, Z460 packs a pump gas fueled punch that works well on the street and on the track. The foundation of Z460 is the legendary Ford Performance Boss block topped off with high port/high flow Z-Heads. Premium components from the best aftermarket companies are used throughout the engine, like a SCAT® forged steel crankshaft, SCAT® forged H-beam connecting rods, forged Mahle® pistons and Clevite® bearings. And every Ford Performance Z460 engine is hand assembled in the U.S. with performance clearances. 575 Horsepower @ 5,500 RPM 575 lb.-ft. Torque @ 4,700 RPM Engine type: 351 based small block Ford Displacement (cu in): 460 Bore x stroke (in): 4.150" bore x 4.250" stroke Block: Boss 351 9.5" deck Crankshaft: SCAT® Forged Steel Connecting Rods: SCAT® forged steel H-beam 6.125-inch length connecting rods Pistons: Forged Mahle® w/ floating wrist pin Camshaft type: Hydraulic Roller Camshaft lift (in): .594"/.618" Camshaft Duration (@.050 in): 242°/248° Cylinder Heads: Ford Performance M-6049-Z304DA Aluminum "Z" Cylinder Heads Valve size (in): 2.02 intake 1.60 exhaust Compression ratio: 10.0:1 (nominal) Rocker arm ratio: 1.65:1 Vibration Damper: Ford Performance M-6316-D302 SFI Approved Valve Covers: Ford Performance 302-137 cast aluminum gray crinkle Oil Pan: Steel with deep front (9 quart) or rear sump (7 quart) pan with louvered windage tray and crankshaft scraper - 9 quart capacity -M-6675-FT351 front sump Water pump: Ford Performance M-8501-G351 included long type - standard rotation Includes Ford Performance M-9439-A50 intake manifold gaskets Distributor: not included. Steel distributor gear required. Required fuel: Premium Unleaded Ignition timing: 32° at 4,000 RPM Maximum recommended rpm: 5,600 RPM Balanced: Internal use neutral balance flywheel Recommended intake: Edelbrock PN 2924 Super Victor (not included) New block, oil and water pump, performance oil pan and high-performance harmonic balancer Engine power ratings achieved with Edelbrock® Super Victor intake, Holley® 850 CFM carburetor, long tube headers. INSTALLATION NOTES: Some or all of the following items may need to be changed from your original engine or modified for proper installation: Depending on your application, a different timing cover, water pump, performance oil pan and pickup may be required. Engine has a performance front sump oil pan and pickup, standard rotation timing cover, standard rotation water pump and non-EFI valve covers. Timing cover will work with most standard rotation water pumps Fuel pump eccentric M-6287-B302 installed, allows use of mechanical fuel pump Valve covers should fit most non-EFI applications. Optional valve covers sold separately. The damper M-6316-D302 may require a spacer for pulley alignment. Flywheel not included, use proper neutral balance flywheel Intake manifold not included Includes intake gaskets and pilot bearing Firing order 1-3-7-2-6-5-4-8 (5.0L HO and 351W firing order) Steel distributor gear required Exhaust port raised 5/8” may require custom headers Shipping weight approximately 570 lbs Built with current available parts. Photo and specs may vary. Additional freight may apply