Forged Crank, H-Beam Rods, Forged Aluminum Pistons LS 427CID 630HP Long Block Performance Engine


Specifications:

Power: 630 HP & 550 ft. lbs. of torque
Displacement: 7.0L 427 CID
Bore x Stroke: 4.125” x 4.000”
Compression Ratio: 11.4:1
Recommended Fuel: 93 Octane
Block: New GM LS7 Aluminum Block
Crankshaft: Callies Forged
Connecting Rods: Callies H-Beam
Pistons: Mahle Flat Top
Camshaft: Steel Hydraulic Roller 3-Bolt Custom Grind
Cylinder Heads: Made in USA Custom Cast & CNC Performance Aluminum, LS7 Intake Port
Combustion Chamber: 70cc
Valves: 2.200” Intake/ 1.600” Exhaust
Rocker Arms: 1.8:1
Valve Springs: Dual
Balance Front: Internal
Balance Rear: Internal
Ignition: 58X Reluctor

Engine Does Not Include:

Oil Pan, oil pump pickup or dipstick & tube
Lifter Valley Cover Plate
Valve Covers
Harmonic Balancer

Warranty: Limited 30 Day warranty.

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 630 Black Label Street Long Block's heart and soul is the new GM Performance LS7 aluminum block. This LS7 engine family utilizes an engineered camshaft that is custom ground on a 3 bolt billet cam core. The 630 Black Label Street Long Block’s foundation is a fully machined aluminum block with a forged Callies rotating assembly with Mahle pistons that is topped off with Label LS7 285cc cylinder heads. ARP fasteners are used throughout and HD Black Label pushrods ride on GM LS7 hydraulic roller lifters. This hand built LS7 based engine utilizes a camshaft that has a moderate lope that creates great mid and high RPM power for the customer that will be aggressively racing their vehicle, but still wants great street manners for a daily driver.

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Chevy LS 427 630HP Long Block Crate Engine 19116301

Product Information

  • $13,200.00


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