Type: LS3 6.8L SC 2.9L Whipple
Displacement: 416 Cubic Inches
Compression Ratio: 9.5:1
Bore x Stroke: 4.070 x 4.000
Rev Limit: 7000 RPM
Crank: Callies Forged
Rods: Callies H-Beam
Pistons: Mahle Motorsports
Cam: Mast 3-Bolt Core Cam
Heads: GM LS3/L92 Heads
Intake: Whipple 2.9L Intercooled Supercharger
Valve Springs: Mast Dual
*All hp numbers will be within 2% of the advertised number.
Mast Motorsports Handbuilt LS engines feature the best components and are assembled by professional machinist. All handbuilt engines feature ARP Main Studs, ARP Head Bolts/Studs and a balanced and blueprinted block.
The LS3 416 HOu2019s heart and soul is the new 4.065 aluminum block. The LS3 designation has a Mast Motorsports engineered camshaft that is custom ground on a Mast Motorsports LS3 cam core. The 416 foundation is a honed and decked LS3 aluminum block with a 4.000u201d forged Callies rotating assembly with Mahle pistons that is topped off with Mast CNC LS3/L92 heads and a Whipple 2.9L Supercharger. ARP fasteners are used throughout and Mast pushrods ride on LS7 hydraulic roller lifters. The LS3 416 HO is the first release of a diverse line of Mast Motorsports hand built LS3 based Supercharged Crate Engines that are designed for the Hot Rod/Muscle Car market. The LS3 416 HO Supercharged engine peaks at the 750 horsepower mark and is competitively priced for such a powerful complete fuel injected turnkey crate engine.
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