7.4L V-8 LSX 454
BUILT WITH BIG-BLOCK POWER
HORSEPOWER: 495-505 HP (369-377 KW) @ 5400 RPM
TORQUE: 500-515 LB-FT (678-698 NM) @ 4400 RPM
CYLINDERS: 8
FUEL TYPE: PREMIUM GASOLINE RECOMMENDED
7.4L V-8 LSX 454 FEATURES & SPECIFICATIONS
Lighter and more compact than an original Big-Block 454, the LSX 454 is filled with a super-tough rotating assembly and features a pair of our deep-breathing CNC’d ported cylinder heads.
Type:
7.4L Gen-IV V8 Small-Block
Displacement:
7400 cc (454 ci)
Engine Orientation:
NA
Compression Ratio:
10.0:1
Valve Configuration:
Overhead Valves
Valves per Cylinder:
Two
Valve Lifters:
Hydraulic roller
Firing Order:
1–8–7–2–6–5–4–3
Bore x Stroke:
4.185 x 4.125in. (106.3 x 104.8 mm)
Fuel System:
Port Fuel Injection
Fuel Type:
Premium Recommended
Maximum Engine Speed:
5400 RPM
Applications:
OEM Test Unit*
Horsepower:
495-505 hp (369-377 kW) @ 5400 RPM
Torque:
E500-515 lb-ft (678-698 Nm) @ 4400 RPM
Block:
LSX Cast Iron
Cylinder Head:
Cast Aluminum
Intake Manifold:
Composite PFI – L96
Exhaust Manifold:
NA
Main Bearing Caps:
Steel
Crankshaft:
Forged Steel
Camshaft:
Steel
Connecting Rods:
4340 Forged
*Actual power levels may vary depending on OEM calibration and application.