5.3L Long Block

5.3L LS LONG BLOCK - 325CI 

Fully machined and assembled long block. Ready for Silverado, Sierra, Tahoe, or LS swap. Boost, nitrous, or N/A ready.

WHAT'S INCLUDED:

• 5.3L Block - cleaned, mag checked, bored .020/.030, honed with torque plate, decked square
• Stock 5.3L Crank - polished and mic'd
• Reconditioned Rods with ARP bolts (forged upgrade available)
• NEW Pistons + Rings - flat top or dished your choice
• Clevite / King Bearings - main and rod
• 799 / 243 / 706 Heads - surfaced, valve job, new valve seals
• NEW Cam Bearings + Freeze Plugs
• Professionally Assembled - torqued to spec

MACHINING DONE:
Hot tank and jet wash
Bore and hone with torque plate
Deck block square
Line hone checked
Surface heads
3-angle valve job
Balanced rotating assembly optional

SPECS:
Displacement: 325CI / 5.3L
Bore: 3.780 inch + .020 / .030
Stroke: 3.622 inch
Compression: 9.5 to 10.5 to 1 depending on combo
HP Capable: 350 to 450HP
Warranty: 2 Year Workmanship

WHAT'S NOT INCLUDED:
Intake, injectors, oil pan, valve covers, accessories. Add with dropdowns below.

LEAD TIME: 2-3 weeks built to order. Not drop shipped.
Shipping freight LTL. Core $500 if no core in 30 days.