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LT4 6.2L SUPERCHARGED CRATE ENGINE 650 HP / 650 LBS TORQUE (DRY SUMP)

SKU: 19332702

Quick Overview

As heart of the Corvette Z06, the supercharged LT4 6.2L SC is the most powerful engine ever offered in a regular production Chevrolet. It features a more-efficient, more-compact 1.7L Eaton R1740 TVS supercharger, which spins at up to 20,000 rpm. That’s enough to generate more than 9 pounds of boost and help produce 650 horsepower and 650 lb.-ft. of torque.

The LT4 is based on the same Gen V Small-Block architecture as the LT1 engine, with several unique features designed to support its higher output and the greater cylinder pressures created by forced induction. They include Rotocast A356T6 aluminum cylinder heads that are stronger and handle heat better than conventional castings, lightweight
titanium intake valves and stronger forged aluminum pistons.


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Availability: In stock

Only 2 left

Excl. Tax: £13,995.00 Incl. Tax: £16,794.00
LT4 6.2L SUPERCHARGED CRATE ENGINE 650 HP / 650 LBS TORQUE (DRY SUMP) is available for purchase in increments of 1

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As heart of the Corvette Z06, the supercharged LT4 6.2L SC is the most powerful engine ever offered in a regular production Chevrolet. It features a more-efficient, more-compact 1.7L Eaton R1740 TVS supercharger, which spins at up to 20,000 rpm. That’s enough to generate more than 9 pounds of boost and help produce 650 horsepower and 650 lb.-ft. of torque.

The LT4 is based on the same Gen V Small-Block architecture as the LT1 engine, with several unique features designed to support its higher output and the greater cylinder pressures created by forced induction. They include Rotocast A356T6 aluminum cylinder heads that are stronger and handle heat better than conventional castings, lightweight
titanium intake valves and stronger forged aluminum pistons.

TECH SPECS
Part Number:
19332702 (dry sump)
Engine Type: Gen V Small-Block V-8
Displacement (cu in): 376 cu in (6.2L)
Bore x Stroke (in): 4.065 x 3.622 (103.25 x 92mm)
Block: Cast aluminum with 6-bolt, cross-bolted main caps
Crankshaft: Forged steel
Connecting Rods: Forged powdered-metal steel
Pistons: Forged aluminum
Camshaft Type: Hydraulic roller
Valve Lift (in): 0.492 intake / 0.551 exhaust
Camshaft Duration (@0.050 in): 189° intake / 223° exhaust
Cylinder Heads: A356T6 Rotocast aluminum; as cast with 65.5cc chambers
Valve Size (in): 2.130 intake / 1.590 exhaust
Compression ratio: 10:1
Rocker Arms (P/N 12619829): Investment cast, roller bearing trunnion
Rocker Arm Ratio: 1.81:1
Recommended Fuel: Premium pump
Maximum Recommended RPM: 6,600
Reluctor Wheel: 58x
Balanced: Internal

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