The intake is drilled for Holley Dominator carburetors. TFS-54400111 Trick Flow R-Series A460 Intake Manifold To get the most out of your car's performance, outfit it with a great looking set of wheels from America's best brands at Fitment Industries. Scorpion Racing Billet Aluminum Full Rollers. This 521 Big Block Ford Crate Engine is ideal for powering your heavy classic. The pistons are custom Arias forged flat tops. The Ford 460 block is fitted with an all forged rotating assembly, hydraulic roller camshaft, aluminum heads and full roller rockers for maximum torque. 521 10.5:1 compression, flat top pistons. The 520 gets an MSD Pro-Billet distributor. ARP-100-7101 ARP Rocker Arm Stud Kit camshaft, cylinder head, compression, intake manifold, exhaust headers, air filters, etc.). Country of . The best bits to use is a scat crank and scat steel h-beam rods. The Eagle Specialties ESP connecting rods are key to making 520 cubic inches with a minimum of special parts. The valve covers (M-6582-R460) should work for most applications, optional valve covers (sold separately) are available on pages 118-120. Get the best of the best with our Ultimate Turn-Key Package. Take your build to a whole new level of style with any of these wheel options. MOR-68131 Moroso Chrome Valve Covers The 521 sports a 4 bolt main block with Siamese bore. MOR-20625 Moroso Stage 1 Oil Pan, 7 Quart 521 lb(s) UPC Code. //-->. SCAT Forged Crankshaft, 4.300-inch stroke, Eagle Specialty Connecting Rods, 6.700- inch, Clevite Connecting Rod Bearing Set, Big Chevy. Dia. You'll need a top-notch ignition system for trouble-free performance. heres the engine specs. FEL-1643 Fel-Pro Valve Cover Gasket Set | For the best experience on our site, be sure to turn on Javascript in your browser. Installation Notes: Some or all of the following items may need to be changed from your original engine or modified for proper installation: