Description:

• HP & Torque: 621 HP / 560 FT LBS
• Compression Ratio: 10.0:1
• Aluminum Heads
• Hydraulic Roller Cam
• Forged Crank
• Forged Pistons

Block:

• NEW BluePrint Cast Iron Block
• Manufactured and Machined in the USA!
• 4-Bolt Main
  
• 4.466" Bore
• 1-Piece Rear Main Seal
• Mech fuel pump provision: Yes
• Standard Deck

Rotating Assembly:

• New BluePrint Forged Crankshaft
• 4.000" Stroke
• Forged H-beam 6.135" connecting rods
• Forged Pistons
• Internal

Cylinder Heads:

• BluePrint Aluminum Cylinder Heads -
• 119cc chamber
• 2.30" intake/1.88" exhaust valves
• 316cc intake/124cc exhaust runners
• Cylinder heads feature a .300 in. raised exhaust port vs an OEM casting.
• Must verify header/exhaust clearance

Cam Specs:

• Cam Type: Roller
• .647 Intake .647 Exhaust
• 248 Intake / 254 Exhaust duration
• @ .050 - 112-degree lobe separation

Also Includes:

• Valve covers
• Oil pan and timing cover
• Harmonic balancer
• Plugs and Wires
• Carburetor
• Pro Billet Distributor

Notes:

• Not for use in pollution-controlled vehicles
• Cylinder heads feature a .300 in. raised exhaust port vs an OEM casting
• Must verify header/exhaust clearance

Your BluePrint engine was dyno tested with the parts and specifications listed below.  If you prefer to install a different part, your engine may not produce the horsepower recorded on your dyno sheet.

Part Number: PS502CTC

Fuel Delivery Type: Carbureted

Spark Plug: BPP7938 NGK 7938 BKR5E (.750 inch reach, 14mm thread, 5/8 hex, plug)

Spark Plug Gap: .035"

Harmonic Balancer: Non-Weighted

Flexplate/Flywheel: Non-Weighted

Stall Converter: 2200+

Intake Manifold: Single plane, satin aluminum

Fuel Recommendation: 91 Octane

Timing (Initial/Total Advance): Initial timing - 10-16° and Total timing 32-34°

Firing Order: 1,8,4,3,6,5,7,2

Total Oil capacity with production oil pan, and Correct BPP51061 Filter : 8 Quarts

Notes: New BluePrint block manufactured and machined in the USA