Speedmaster®

1-290-007-04

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MPN: 1-290-007-04 UPC: 840136502609
Available Extended Warranty Eligible
US $1,568.16

Out of Stock

Specs

Brand:Speedmaster
Part Number:1-290-007
Part Type:Engine Rotating Kits
Actual Engine CID:347
Bore (in):4.040 in.
Engine Stroke (in):3.400 in.
Balanced:No
Pistons Included:Yes
Piston Rings Included:Yes
Piston and Ring Oversize (in):0.030 in.
Piston Material:Forged aluminum
Piston Style:Flat top, with two valve reliefs
Piston Head Volume (cc):-4.00cc
Wrist Pin Style:Floating
Piston Ring Facing Material:Plasma-moly
Crankshaft Included:Yes
Crankshaft Material:Forged 4340 Steel
Rear Main Seal Style:1-piece
Engine Balance:External
Connecting Rods Included:Yes
Connecting Rod Material:Forged 4340 steel

Description

Speedmaster outlaw series rotating assemblies offer extra strength, performance and reliability. They include a Speedmaster forged 4340 steel crankshaft, Speedmaster H-beam 4340 connecting rods with ARP bolts, Speedmaster forged pistons, Speedmaster rings and 'King Bearings' Main & Connecting Rod Bearings. Speedmaster outlaw series rotating assemblies are the perfect choice for engines up to 650 hp and 1500-6500 RPM.

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.Â

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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