LS3 525hp LONG BLOCK Crate Engine 6.2L 533 – 19435110

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LS3 525hp LONG BLOCK Crate Engine 6.2L 533 – 19435110

$6,962.00

$6,962.00

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CHEVROLET PERFORMANCE’S MOST POWERFUL NATURALLY ASPIRATED 6.2L!
With Chevrolet Performance’s aggressive ASA camshaft – developed for the high-rpm world of circle-track racing – installed in the LS3 6.2L engine, it comes alive with 525 (updated to 533) uncompromising horsepower. That makes it the most powerful naturally aspirated 6.2L street engine in our portfolio – and one that has an edge to it. You’ll notice it in the idle quality and you’ll feel it when the revs quickly climb.

The ASA camshaft is a hydraulic roller with .525-inch lift on both sides, along with 226 degrees duration on the intake side and 236 degrees on the exhaust side. Coupled with a tight, 110-degree lobe separation angle, it helps the engine deliver excellent throttle response and breathe exceptionally well at high rpm. And for durability, we complement the cam with higher-rate valve springs.

****NOTES FROM PTS:
-The ASA camshaft was originally designed for racing in the late 90’s. This cam has a bit of valve overlap, and will have some additional fuel smell compared to other cams.
-The horsepower on this engine makes peak power near redline. There is not a lot to be gained over the 495hp crate, other than a more lopey idle, and peak power.
-If you have an automatic, make sure to have a high stall speed to help prevent surging.

TECH SPECS
Part Number: 19432557
Engine Type: LS-Series Gen IV 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 (P/N 12623967): Cast-aluminum with 6-bolt, cross-bolted main caps
Crankshaft (P/N 12597569): Nodular iron
Connecting Rods (P/N 12649190): Powdered metal
Pistons (P/N 19207287): Hypereutectic aluminum
Camshaft Type (P/N 12623063): Hydraulic roller
Valve Lift (in): 0.525 intake / 0.525 exhaust
Camshaft Duration (@0.050 in): 226° intake / 236° exhaust
Cylinder Heads (P/N 12629063): Aluminum L92-style port; as cast with 68cc chambers
Valve Size (in): 2.165 intake / 1.590 exhaust
Compression Ratio: 10.7:1
Rocker Arms (P/N 12669995 int): Investment-cast, roller trunnion
Rocker Arms (P/N 12669993 exh): Investment-cast, roller trunnion
Rocker Arm Ratio: 1.7:1
Recommended Fuel: Premium pump
Maximum Recommended rpm: 6,600
Reluctor Wheel: 58x
Balanced: Internal

INSTALLATION NOTES
• Assembly does not include any electronics, intake manifold, fuel system, ignition coils/harnesses/brackets/wires, or spark plugs.
• Includes Chevy F-Body wet sump oil pan (may need to be changed depending on application).
• Intended for pre-1976 street vehicles or any off-road vehicle
• Not intended for marine applications

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