MAST Motorsports - 550 Performance Street Long Block Engine - 550LB
LS2 6.6L - MAST Motorsports - 550 Performance Street Long Block Engine
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 and a balanced and blueprinted block.
The 550 Performance Street Long Block’s heart and soul is the new 4.005 aluminum block. It has a Mast Motorsports engineered camshaft that is custom ground on a Mast Motorsports billet cam core. The 402 foundation is a honed and decked LS2 aluminum block with a 4.000” forged Callies rotating assembly with Mahle pistons that is topped off with Mast Black Label L93 heads. ARP fasteners are used throughout and Mast pushrods ride on LS7 hydraulic roller lifters. The 550 Performance Street Long Block is the first release of a diverse line of Mast Motorsports hand built LS2 based long blocks that are designed for the Hot Rod/Muscle Car market. The 550 Performance Street Long Block peaks at the 550+ horsepower mark and is competitively priced for such a powerful complete long block.
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- Type: LS2 6.6L
- Displacement: 402 Cubic Inches
- Compression Ratio: 11.2:1
- Bore x Stroke: 4.005 x 4.000
- Rev Limit: 7000 RPM
- Crank: Callies Forged
- Rods: Callies H-Beam
- Pistons: Mahle Motorsports
- Cam: Mast Custom 3-Bolt Core Cam
- Intake: LS3 Car Intake
- Valve Springs: Mast Beehive
|Spec Weight||--- lbs total weight|
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