.025 piston to wall clearance. Contact Us. 521 Street Motor Torque Monster Build. The basis of the engine build came from a customer who wanted something for a 1965 Ford F100 truck he was restoring in pro-street style. Engine is brand new, not assembled, still in boxes, ready for assembly. He had his engine built by a shop back in 96. 521" Ford Stroker to fit our '62 F-250 pickup This 521" Ford motor uses Eagle crank and rods, 9.0 to 1 Probe forged pistons and Edelbrock "Super Cobra Jet" heads. Add to Wish List. 347 Stroker, 10.6:1, Vic Jr, World Jr. heads (2.02/1.60 valves), Custom 780cfm ProSystems 4150 Double Pumper, XE284H cam, MSD E-Curve, 4.30 gears/31 Spline axles, Tremec TKO 5 … Price: $2,471.23: This fits your . the crank has part no m6303-514 this has 4.3inch throws and ford 2.5 bearing sizes. Being so advised, I withdraw my naysaying about the 347 stroker … ATK SP22 Ford 520 Stroker Short Block Forged, Call 866-721-2315 to Speak with an ATK Crate Engine Specialist Ford 521 stroker motor features a fully machined 460 block, a forged steel crankshaft, high performance forged pistons, H-Beam rods, ARP bolts, aluminum cylinder heads, and aluminum intake manifold for reduced weight. It’s incredibly easy to build a stroker big-block Ford that can displace some serious inches. New Big block 521 stroker Ford motor, Blue thunder aluminum heads, eagle rotating assembly, lots of extras, also have new 5 speed Trans and scatter shield, … Stroker Building Considerations As you may have guessed, there are certain issues which must be addressed when actually assemblying any stroker engine. I am looking to make 500 550 hp with maybe a 575 lift cam please give me some info. Kaase SR-71 Cylinder Head Specs. Fast shipping. Glad they got the oil consumption thing under control. Then we fit in a Comp Cams full roller camshaft with 294 deg duration, designed to make mountains of torque. Typical Ford V-8 Stroker Configurations FORD SMALL BLOCK 302 SERIES 9000 “CAST” ROTATING ASSEMBLIES FORD SMALL BLOCK 351W 4340 “FORGED” ROTATING ASSEMBLIES RHP 521 build. Want some info on going stroker kit 545 or 552-557 or smaller 502 what is the reliable for long run. 21 foot jemcraft 1/4 stringer lake cruzer not a race boat ! It will cost slightly more to balance than the 514, but it's a nice easy to build package that'll only need a .030 overbore. Need a custom kit? It's a low-cash project for money-strapped gearheads. 460 Ford for sale...Fully built 521ci stroker motor « on: July 28, 2009, 04:05:03 AM » so what i have is a D1VE 460 block that was completely prepped and bored to 30 over. I would do the 521 cid build if I were you. A 10:1 compression ratio is still streetable, that is if 600 HP is meant for the street. Ford Engine Kit - Ford 521 / 532 Stroker Kit, Big Block 460 Flat Top, at GREAT Prices, Selection, Customer Service, and Low Shipping Rates All From COAST HIGH PERFORMANCE 414 "stroker" small block 351W - 4.055" bore x 4.00" stroke Abreviated Copy of the 2015 Engine Masters Contest engine OVER 590 horsepower "street driver" engine Aftermarket stroker cranks are a great deal now days but as most of the BBF guys will tell you stay away from Eagle cast cranks. Petralia has found this, in conjunction with an oiling-system check, to cost him only a few minutes of build time while potentially saving hours on the dyno. I have had the engine for a few years, with intentions to build, but have gone in a different direction. Static C/R of 9.45 to 1. YFZ450R YFZ 450R 450X Stroker Crank +5 Complete Kit Hotcams Kibblewhite 520cc 09-14 The baddest YFZ450R stroker kit you can get is here! From the junkyard to a fresh, nearly-new powerplant. 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