8 Fairfax St SE
(CLOSED)
NAPA Auto Parts Genuine Parts Company
8 Fairfax St SE
Leesburg,  VA  20175
(703) 777-2055
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CLOSED
Mon-Fri:7:30 AM-7:00 PM
Sat:8:00 AM-5:00 PM
Sun:9:00 AM-5:00 PM
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Engine, Short Block - Remfd Hi-Perf
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Engine, Short Block - Remfd Hi-Perf

Part #: ATK SP38
Line: NAPA IronClad
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Features & Benefits

Warranty: Standard : See Manufacturer's Complete Written Policy

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NAPA Ironclad Pricing Includes Prepaid Freight & Core Return from Servicing DC in the Contiguous 48 States. Performance Short Blocks hand built with premium parts, fully machined & measured for precision & balance


  • GM 6.0L iron LQ4 block, Manley 4340 forged crank 4.000 in. stroker internally balanced 24 tooth
  • Manley 4340 forged H-beam 6.125 in. rods with ARP 8740 bolts, 2618 forged +18 cc dished pistons
  • Cam bearings Installed & clocked to OEM position, brass freeze plugs installed & sealed
  • This short block is built with a mild compression ratio great for easy tuning on pump gas or running a small shot of nitrous. If used with nitrous there will be no warranty as there is more room for error with nitrous systems and tuning. Your engine may not necessarily come with all components listed, but they are listed as our recommendations of parts to run for optimal performance.
  • Oil galley plugs installed & sealed

Specifications

Brand NAPA
Contents Block, crank, bearings, pistons, cam bearings & rings
Sub Brand IronClad
VMRS Code 045002068

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