Ford 351W Windsor B-4.125 M-2.749 DH-9.500 Billet Main Iron Engine Block Machined
Build your dream engine
The next level of performance is these cast iron Ford small blocks. Designed to work with stock components. Block is ready for the street racer or all out racer with added strength and cubic inches.All the factory flaws redesigned to eliminate all problems, still using water jacket design.Blocks are cast from highest quality high-density iron with extra-thick cylinder walls and decks.The blocks webs are stronger and fitted with billet steel 4-bolt main caps.Ideal for for supercharged, turbocharged and nitrous applications!
Features Include: Extra thick cylinder walls & decks, 4 bolt splayed mains, enlarged bosses for offset or oversize lifters;and scalloped water jacket holes for improved cooling.
Used in 1500+HP Applications!
Cylinder Bore Diameter:4.125 in.Bore & Stroke:4.185 in. x 4.125 in. Max Recommended Cam Journal OD:Standard SBF - Can be bored to 55mm Cam Plug:2.375 in. Dia. Cup Plug Cylinder Wall Thickness:0.250 in. min @ 4.185 in. Bore Deck Height:9.500 in.Deck Thickness:0.675 in. Min Fuel Pump :Standard Mechanical Provision Fuel Pump Pushrod:Standard Length Freeze Plugs:Standard 1.500" Press In Cup Plugs Lifter Bores:Standard SBF .8757-.8765" Honed to Size Main Bearing Size:2.749 in. (Standard 351c)Main Bearing Bore:Standard 351c Main Cap Bolts:#1 1/2" in. (2) 3/8 in. (2)
#2, 3, 4 7/16 (2) Splayed (2)
#5 1/2"in. (2) 3/8 in. (2)Main Cap Press:0.003-0.004 in.Main Caps:All 5 Billet Steel. 3 Center Caps Splayed Main Cap Register:Deep Stepped Register (No Need for Dowels)Oil System:Wet Sump or SVO dry sump. Priority main oiling with external pump.Oil Pump Shaft:Standard SBF Oil Filter:Standard SBF Oil Pan:Modified STD 351W Oil Pan Rear Main Seal:Standard 1pc. Seal FelPro# 2921 or 2942 4.500" x 3.750" SVO Serial No. Location:Right Front & Main Caps Starter:Standard Stud Holes, Head:1/2" std SVO with blind holes Timing Chain/Gears:Uses stock 351w components Timing Cover:Uses stock 351w cover Torque Specs:1 - 5 1/2" in. Bolts 105ft. lbs.
2 -4 7/16"in. Bolts 65 ft. lbs.
1 & 5 3/8 in. Bolts - 35 ft. lbs.Weight:208 Lbs @ 4.125" in. Bore Quantity:Sold individually