LS3 416 Black Label Carbureted Crate Engine - 630HP

Description

The LS3 416's heart and soul is the new GM LS3 4.060 aluminum block.  The 416 designation has a Mast Motorsports engineered camshaft that is custom ground on a Mast Motorsports billet cam core.  The 416 Black Label's foundation is a honed and decked LS3 aluminum block with a 4.000” forged Callies Compstar crank and Compstar rods.  It includes Mahle forged pistons and is topped off with  and a GM LS3 intake manifold.  ARP fasteners are used throughout and Mast pushrods ride on LS7 hydraulic roller lifters.  The LS3 416 is just one of a diverse line of Mast Motorsports hand built Turnkey Crate Engines that are designed for the Hot Rod/Muscle Car and Offroad markets.  The LS3 416 Black Label makes 630 horsepower and is competitively priced for such a powerful complete fuel injected turnkey crate engine.
Type:
LS3 6.8L
Displacement:
416 Cubic Inches
Compression Ratio:
11:1
Bore x Stroke:
4.065 x 4.000
Rev Limit:
7500 RPM
Crank:
Callies Compstar
Rods:
Callies H-Beam
Pistons:
Diamond Racing
Cam:
Mast Custom 3-Bolt Billet Core Cam
Heads:
Intake:
Mast LS3 4150 Single Plane
Valve Springs:
Mast Motorsports Dual
*All hp numbers will be within 2% of the advertised number.