Description:

This engine is designed and manufactured to factory specs for the specified vehicles below. It's manufactured using tighter machining tolerances, higher quality components, and finer balancing of the rotating assembly to make this engine better than the original while still meeting the description of a “replacement” engine.

View the Application List HERE

Block:

• BluePrint Engines High Strength Cast Iron Block
• 4-Bolt Main
• 4.000" Bore
• 1-Piece Rear Main Seal
• Mech Fuel Pump Provision: Yes
• Passenger Side Dipstick
• Drilled and Tapped for Clutch Linkage

Rotating Assembly:

• Cast Steel Crankshaft
• 3.480" Stroke
• 5.700" Connecting Rods
• OEM Spec Pistons
• Internally Balanced Front - Externally Balanced Rear

Cylinder Heads:

• 1987-1995 GM Iron Heads

Cam Specs:

• Hydraulic Flat Tappet
• OEM Spec Per Listed Vehicles

Ignition Timing:

• OEM Specifications

Also Includes:

• New Valve Covers
• Rear Sump Oil Pan
• Timing Cover
• Harmonic Balancer

Notes:

• Designed as factory replacement long block for specified vehicles and year ranges, using OEM specification parts. Customer to re-use existing intake manifold, ecu (if equipped), exhaust, fuel system etc. Modification or replacement of provided tinware, and minor accommodations such as dipstick location may be required. 
• Specifically designed as an OEM spec engine to meet emissions requirements of the specified vehicles, to meet the criteria of "replacement engine" in all 50 states. 
• Must verify with application list linked above for fitment.