Looking for a serious power plant for your next 4x4 build up?
This crate bad-boy will make all your buddies jealous...
Part number: 19166972
Engine type: LSX Series Gen IV small-block V-8
Displacement (cu in / L): 454 / 7.4
Bore x stroke (in / mm): 4.185 x 4.125 / 164 x 162
Block (P/N 19166454): LSX cast iron with 6-bolt, cross-bolted main caps
Crankshaft: 4340 forged steel
Connecting rods: 4340 forged steel
Pistons: Forged aluminum
Camshaft type: Hydraulic roller
Valve lift (in): 0.635 intake / 0.635 exhaust
Duration (deg @ 0.050 in): 236 intake / 240 exhaust
Cylinder feads (P/N 12598594): LSX454 rectangular port; with 70cc chambers Valve size (in): 2.20 intake / 1.61 exhaust
Compression ratio: 11:1
Rocker arms: investment cast, roller trunnion
Rocker Arm Ratio: 1.8:1
Recommended Fuel: 92 octane
Reluctor wheel: 58X
Balanced: internal
The new LSX454 crate engine (part number 19166972) revives a classic Chevy engine designation and brings it to the LSX engine family. It uses the LSX Bowtie block, along with an all-forged, super-tough rotating assembly and a pair of GMPP’s new, deep-breathing LSX six-bolt cylinder heads. It is topped with a high-rise intake manifold and four-barrel carburetor.
The new LSX six-bolt cylinder heads are based on the racing-derived LS7 heads that help deliver more than 500 horsepower in the Corvette Z06. They enable tremendous low-end torque and great high-rpm power. The LSX454 is rated at 620 horsepower and 600 lb.-ft. of torque.
The LSX454 is delivered in Deluxe form, so it includes everything from the carburetor to the water pump. It also comes dressed with great-looking, all-new orange powder-coated valve covers with “LSX454” logos engraved and painted black.
GMPP tested the LSX454 combination on Reggie Jackson’s custom 1969 Camaro – a previous SEMA Show star – which showcased the possibilities of high 10s in the quarter-mile and good fuel economy.
The LSX376 and LSX454 are new, powerful additions to the GMPP crate engine lineup. They’re the first LSX-based crate engines and only hint at the unlimited possibilities of the LSX portfolio.