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LR4 4.8L engine: specs, donor vehicles & swap notes

SpecValue
RPOLR4
FamilyGeneration III
Years1999–2007
Displacement4.8 L / 293 ci
Horsepower255–285 hp
Torque285–295 lb-ft
Bore × stroke3.78 × 3.268 in
Compression9.45:1
Blockiron
AFM/DODNo
VIN 8th digitV

Iron/Alum. heads

Specs from secondary sources; GM ratings varied by year and vehicle.

Donor vehicles with the LR4

Where to find one at the junkyard. Confirm with the RPO sticker in the glovebox or the 8th VIN digit.

VehicleYears
Chevrolet Express/GMC Savana 2500/35002003–2007
Chevrolet Silverado/GMC Sierra 15001999–2007
Chevrolet Tahoe/GMC Yukon2000–2006

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