Details

• Brand:

  

• SKU:

  19432779

• Other Names:

  Engine, Short Block

• Description:

  Nothing compares to a Factory Original new GM Crate Engines
  when it is time to replace the worn out 350ci Vortec engine in your 1996 thru
  2002 Chevrolet or GMC pick-up and Vans. Part number 12530283 is the Heavy Duty
  replacement engine direct from GM Powertrain and fits most 3/4 and 1-Ton
  G-Series Vans, P-Series Trucks, Silverado's, Sierra's, and Suburban's. The
  Vortec HD version 350 uses a 4-Bolt main block, upgraded exhaust valves and cylinder
  heads for heavy duty applications. This engine is not intended for marine
  usage. This engine features new components, brand new complete long block
  an approved GM application. To verify your engine application, please contact

  • ur Tech Department with the VIN number from your vehicle or email your VIN
  info to our team.
  L31 HD Engine
  1996-2002 Chevrolet
  Express/GMC Savana (G2,G3)
  1996-2000
  Chevrolet/GMC Pickup (CK2,CK3)
  1996-2000 GMC
  Suburban (CK2,CK3)
  1996-1999
  Chevrolet/GMC Chassis (P3)
  3/4 and 1-Ton only
  Specifications:
  1986-2000 style
  block, 4 bolt mains
  1pc rear seal
  nodular iron crankshaft
  Powdered metal
  connecting rods
  Hypereutectic
  pistons 9.4:1 compression Ratio
  Hydraulic roller
  camshaft: Int Lift .414", Exh Lift .428", Int Duration @.050"
  191, Exh Duration @ .050" 196, Lobe Centerline-111
  Vortec cylinder
  heads - 64cc, 1.94'' intake valve, 1.50'' exhaust valve
  Also includes: Oil
  pan, timing cover, valve covers, harmonic balancer

• Notes: Includes Block, Piston & Pin Assy, Crankshaft Bearings & Rear Seal.
• Applications: 8 CYLINDER - 5.0L, 5.7L.
• Replaces:

  12530283, 12681431, 12691672