19432778 - 5.7L 350Cid (LO5-K) 1987-1995 Chevy & GMC Full Size Trucks & "G" Van-Up To 7,200 GVW

Specs on this engine are as follows:

• 1986 and up 4 bolt main 1 piece crankshaft seal block
• Horsepower - 200HP @ 4000RPM
• Torque - 300FT/LBS @ 2800RPM
• Forged steel crankshaft
• Powdered metal connection rods
• Dished hypereutectic pistons
• 9.25:1 Compression ratio
• High volume oil pump
• Morse link type timing chain

Camshaft specs as follows:

• Flat tappet hydraulic camshaft
  • Intake lift .382"
  • Exhaust lift .402"
  • Intake duration @.050-165.9
  • Exhaust duration @.050-174.8
  • Lobe center separation - 111.9
• Camshaft mechanical specs
  • Intake valve opens @ -30.2 BTDC * Intake valve closes @ 16.1ATDC * Intake lobe centerline - 111.8
  • Exhaust valve opens @ 18.1BBDC * Exhaust valve closes @ -23.3 ATDC * Exhaust lobe centerline - 111.8

Cylinder Head Specs:

• Casting number 14102193
• Swirl port intake port design
• 64cc Combustion chamber
• 1.94" Intake valve 1.50" Exhaust valve
• Valve spring part number is 3911068 (same spring used with the old 300hp 350 crate engine)
• Installed height 1.70" Pressure @ Installed height is 80 LBS * Pressure with valve open is 267 lbs.
• These springs are good for .550" lift but clearance between guide and retainer must be double checked before attempting.
• 7 Bolt exhaust flange
• Center bolt valve cover flange
• 1987-1995 Intake manifold bolt pattern with center intake bolts canted @ 72 angle

This cylinder head is not a performance oriented cylinder head. It is classified as a high swirl head that was intended for good bottom end torque and fuel economy. The intake runner is restrictive because it has a ramp cast into the bottom of the bowl to promote high swirl.

Engine also includes:

• 4 Quart oil pan (5w/ Filter)
• Timing cover
• 8" Balancer
• Valve covers

Special intake manifold is required

Applications:
RPO - L05
Fits:
1987 Chevrolet Pickup (RV1,2)
1987 GMC Pickup (RV1,2)
1987 GMC Suburban (RV1,2)
1987 - 1991 GMC Suburban (RV1)
1988 - 1995 Chevrolet Pickup (CK1,2)
1988 - 1995 GMC Pickup (CK1,2)
1988 - 1995 Chevrolet Tahoe (CK1,2)
1988 - 1995 GMC Suburban (CK1,2)
1987 - 1994 Chevrolet Van (G1,2,3)
1987 - 1994 GMC Van (G1,2,3)
1995 Chevrolet Van (G2,3)
1995 GMC Van (G2,3)

Warranty:
General Motors limited 3 year / 100,000 mile parts & labor warranty. Click Here to view or download warranty form.

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