Get serious performance with this modified 5.3L LS V8 (Gen III/IV iron block) cranking out 450 horsepower paired with a durable 4L60E 4-speed automatic transmission – ideal for LS swaps, muscle car builds, trucks, hot rods, or upgrades. Tuned for reliable street/strip power with massive torque and huge aftermarket support.
Key Specs
– Engine: 5.3L LS (cammed/heads/intake upgraded for 450HP output)
– Transmission: 4L60E automatic (rebuilt/strengthened for 450HP handling)
– Power: 450 HP (tuned & verified)
– Warranty: 1-Year limited warranty on the complete package
What’s Included – Comprehensive Turnkey Setup
– Fully assembled 5.3L engine with performance upgrades
– Matched 4L60E transmission (shifts strong, tested)
– Torque converter (lock-up)
– Flexplate
– Engine & transmission wiring harnesses
– ECM/PCM (tuned for 450HP)
– Accelerator pedal (DBW)
– Front accessories: alternator, power steering pump, water pump, A/C compressor (if equipped), serpentine belt & pulleys
– Key sensors, coil packs, intake, throttle body, injectors, fuel rails
– Starter, oil pan & more
(Note: Exhaust, mounts, radiator/fuel system upgrades typically not included – easy bolt-ons.)
Affordable, potent, and ready to install – this 450HP 5.3 LS + 4L60E combo delivers proven LS reliability with extra punch. Ships nationwide, palletized securely
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