Speedmaster®

Ford 351W Windsor B-4.125 M-351C DH-9.500 4-Bolt Billet Main Iron Engine Block

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MPN: 1-286-005-01 UPC: 840136502456
Available Extended Warranty Eligible
US $2,850.00

In Stock - Ships within 24 hrs

Available: 95

Specs

Brand:Speedmaster
Part Number:1-286-005-01
Part Type:Engines, Bare Blocks
  
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.
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 65ft. lbs.
1 & 5 3/8 in. Bolts - 35 ft. lbs.
Weight:208 Lbs @ 4.125" in. Bore
Quantity:Sold individually.
Notes:Check hood clearance before installing.
Calculator:CFM Calculator

Description

The next level of performance is these cast iron Ford small blocks. Designed to look standard under your bonnet, and 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!

Cam Bearing:PCE236.1008
Rear Main Seal:FelPro# 2921 or 2942 4.500" x 3.750" SVO

Brand Information



Speedmaster has become a leader in its field, built on a long term consistency of being a specialist in aftermarket automotive components. The team has shared all the finest moments in the numerous accolades for its people, its products, and its approach. Speedmaster is also one of the rare companies to produce its own products, where majority items are entirely developed and manufactured in its workshops. The ultimate token of precision, Speedmaster is the world’s only major parts manufacturer to equip cars from Standard replacement to Top Fuel Dragsters.

In 1979, the company was founded with Pete’s Performance, which was a small speed workshop. It began by building engines for customers as a hobby, and it has now grown to include selling, assembling, manufacturing and racing high performance engine parts. Over the years, the company has grown into a worldwide high performance powerhouse. Growing from a one-man bricks-and-mortar business; to now a supply chain in which en

Prop 65 Warning

This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.


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