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12401
 
  Slp Performance Crate-Engine-Assembly, "Zl402" Ls1 Iron Short Block (Low Compression)
 12401
SLP Crate-Engine-Assembly, "ZL402" LS1 Iron Short Block (Low Compression)
Your Price: $3,595.00

Crate-Engine-Assembly, "ZL402" LS1 Iron Short Block (Low Compression)
The ZL402 LS1 based iron stroker short block is loaded with the kind of top-quality hardware found in short blocks costing much more. It was the first choice for the experts at Car Craft magazine, who took an off-the-shelf ZL402 stroker motor and produced over 575 horsepower, naturally aspirated.

Our ZL402 is built around a new GM LQ9 Gen III 6.0 liter block, a 4.00" forged steel crank, and 4.00" forged aluminum pistons.

This package is sold only in short-block form, minus manifolds, camshaft, oil pump, and other equipment. The advantage of this approach is it allows you to pick a combination best for you. SLP also sells heads and cams, and we’d be happy to recommend the best combination for you.

Although designed primarily for use in late-model F-Bodies and Corvettes, the ZL402 also makes a great choice for street rods, muscle cars, and trucks. Best of all, it’s sold outright, eliminating the shipping hassles and expenses of core returns.

You won’t find a higher-quality, better value LS1 stroker motor anywhere!

Features
  • Built entirely from brand-new parts.
  • Sold outright, no cores required!
  • GM LQ9 iron 6.0 liter block (includes block plugs)
  • 4.000" Eagle 4340 forged steel crankshaft, balanced to rotating assembly
  • 4.000" Ross 2618 forged alloy pistons with -28.50cc dish (includes new rings and full-float pins)
  • 402-CID displacement
  • Eagle 6.125" H-beam rods
  • Includes new, factory-installed cam bearings; Clevite rod and main bearings
  • 9:1 compression ratio (nominal; ultimate compression ratio will depend upon heads and gaskets used)
  • Designed for naturally aspirated applications
  • Capable of supporting up to 700hp
  • Meticulously assembled to OEM tolerances and specifications.
  • Oil pump, timing chain, camshaft, pans, plates, and covers not included.
  • ZL402 OEM-quality fender badges (pair).


NOTE: SLP STRONGLY recommends that final assembly and installation be performed by an experienced, professional mechanic. Assembly/installation instructions are neither included nor available with this part.

This item must be prepaid with a certified check or money order.
Please call (763) 434-1099 for more information and a shipping quote.
Optional heavy-duty crate available for $100.


SLP Performance Crate-Engine-Assembly,
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