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Corvette LS1 Crate Engine 5.7L 350HP Aluminum Small Block C5 : 1997-1998

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SKU : 11121498
Availability : 3-5 Days
Our Price : $6,633.75



5.7L 350 HP LS1 Complete Crate Engine!

LS1 5.7L V8 Crate Engine GM Performance Parts offers this complete LS1 engine assembly, but without electronics or wire harness. It provides a quick and easy way to get great power on the ground with a minimum of hassle.

When GM dared to release a redesigned small-block in 1997, it succeeded beyond the expectation of enthusiasts around the world. Known as the LS Family V-8 small-block, the first and most popular version, the high performance LS1 5.7 Liter, is now available through Mid America Motorworks.

In many ways the LS1 is superior to any small-block that came before it. A deep-skirt, six-bolt-main block, with structural oil pan and other carefully engineered features, helps make the LS1 a strong, smooth running and dependable engine. A high-lift camshaft actuating big 2.00/1.55 valves in symmetrical-port cylinder heads helps make it a uncompromised performer, rated at 350 horsepower and 365 lb/ft of torque.

Our GM Performance Parts LS1 5.7 Liter Crate Engine is delivered with a GTO-style oil pan, electronic drive-by-wire throttle body, intake manifold, exhaust manifolds, fuel rails with injectors, balancer and 14" automatic transmission flexplate. It makes a great performance engine for your classic Corvette resto-mod or C5 engine replacement project. Just add wiring and electronics.

NOTE: Available for installation or delivery. Please contact us for shipping or installation quote.

LS1 Specifications:
  • Part Number: 17801267
  • 350 HP @ 5800 RPM
  • 365 lb.-ft. of torque @ 4000 RPM
  • Engine Type: LS Series Small-Block V-8
  • Displacement (cu in): 346 (5.7L)
  • Bore x stroke (in): 3.90 x 3.62 (99 x 92mm)
  • Block (P/N 12561166): Cast-aluminum with 6-bolt, cross-bolted iron main caps
  • Crankshaft (P/N 89017522): Nodular iron
  • Connecting rods (P/N 12568734): Powdered metal steel
  • Pistons (P/N 88984245): Hypereutectic aluminum
  • Camshaft Type (P/N 12560965): Hydraulic roller
  • Camshaft lift (in): .500 intake / .500 exhaust
  • Camshaft duration (@.050 in): 198° intake / 209° exhaust
  • Cylinder heads (P/N 12559855): Aluminum; cathedral port
  • Valve size (in): 2.00 intake / 1.55 exhaust
  • Compression ratio: 10.25:1
  • Rocker arms (P/N 10214664): Investment-cast, roller trunnion
  • Rocker arm ratio: 1.7:1
  • Recommended fuel: 92 octane
  • Maximum recommended rpm: 6000
  • Reluctor wheel: 24X
  • Balanced: Internal

LS1 Includes:

  • 14" automatic transmission flexplate included.
  • Assembly does not include any electronics.
  • Includes Holden oil pan.
  • Intended for pre-1978 street vehicles or any off-road vehicle.
  • Not intended for marine applications.
LS1 crate engine does not include:
  • Oil lines
  • Engine beauty cover
  • Engine processor
  • Air filter/air box
  • Accessories or accessory drive
  • Engine control harness
  • Engine control module (ECU)

INSTALLATION NOTES:

  • 14-inch manual flywheel included
  • Assembly does not include any electronics
  • Includes CTS-V style oil pan
  • Intended for pre-1976 street vehicles or any off-road vehicle
  • Not intended for marine applications



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