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SLP Crate Engine Assembly, ZL402 LQ9 Iron Long Block with L92 Cable Driven Pkg. with 51016 (High Compression)
SLP-12521M
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ZL402 LQ9 Iron Long Block with L92 Cable Driven Pkg. with 51016 (High Compression) SLP Crate Engine Assembly
Manufacturer: SLP Performance
Status: Special Order ships in 1-10 Days
Model Detail: L92 Cable Driven Pkg
Application: L92 Cable Driven Pkg

Crate Engine Assembly, ZL402 LQ9 Iron Long Block with L92 Cable Driven Pkg. with 51016 (High Compression)

SLP has taken our already great performing ZL402 and made it even better! We have included and installed the SLP/L92 64cc cylinder-head-and-L76 manifold package with a SLP 51014 camshaft, SLP double-row timing chain, SLP Heavy-duty oil pump, new GM lifters and lifter guides, ARP cylinder head studs and MLS head gaskets.

Our ZL402 is built around a new GM LQ9 Gen III 6.0 liter GM block, a 4.00 inch 4340 forged Callies steel crank, and 4.00 inch 2618 forged SLP/Manley aluminum pistons and 4340 forged SLP/Manley H-Beam Rods.

The advantage of this approach is the new ZL402 long-block ships to you already assembled eliminating the guesswork associated with building an engine. (L76 manifold included with long block, not sinstalled).

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 is sold outright, eliminating the shipping hassles and expenses of core returns.

You will not find a higher-quality, better value LS stroker motor anywhere!

NOTE: While placing your order, please specify model year that the 402 will be installed in, and what style reluctor wheel is required. SLPs harmonic balancer/under-drive pulley is required for proper installation (or an equivalent pulley that is properly keyed) a stock balancer/pulley will NOT fit.

SLP/L92 ZL402 Iron Long Block Includes the following:
  • Built entirely from brand new parts
  • Sold outright, no cores required!
  • GM LQ9 iron 6.0 liter block
  • 402-CID displacement
  • 4.000 inch Callies 4340 forged steel crankshaft, balanced to rotating assembly
  • 4.000 inch SLP/Manley 2618 forged alloy pistons with -6.00cc dish (includes new Total Seal rings and full-float pins)
  • 6.125 inch SLP/Manley 4340 forged steel H-beam rods
  • Includes new, factory-installed cam bearings; Clevite rod and main bearings
  • SLP/Manley 4130 forged chrome-moly pushrods
  • SLP 51014 Camshaft .590/.590-inch lift 236/236 duration @ 0.50 112 degree LSA
  • SLP/L92 Cylinder Heads
  • L92 offset GM rocker arms (qty. 8)
  • L76 GM Intake Manifold w/stock LS2 throttle body and 39lb/hr GM injectors (included, not installed)
  • SLP 55000 Double-Row Timing Chain
  • SLP 55001 Heavy-Duty Oil Pump
  • SLP Throttle Cable Bracket
  • Hardware to mount a 90mm throttle body
  • Injector plug adapters for stock LS1 harness
  • New GM Lifters and Lifter Guides
  • ARP Cylinder head studs
  • MLS Head Gaskets
  • 11:1 compression ratio (nominal)
  • Designed for naturally aspirated applications
  • Capable of supporting up to 700+ HP
  • Meticulously assembled by SLP to OEM tolerances and specifications.
  • Pans, plates, and covers not included.
  • ZL402 OEM-quality fender badges (pair).
  • SLP offers a 1 year warranty (workmanship)


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) 390-6385 for more information and a shipping quote.
All engines are shipped in a Heavy-Duty crate, $100.00 additional charge applies.




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