BluePrint Engines Small Block Chevy 496 C.I. 561 HP Long Block Power Adder Crate Engine

HP & Torque: 561 HP / 512 FT LBS
Compression Ratio: 8.8:1
Aluminum Heads
Hydraulic Roller Cam
Forged Crank
Forged Pistons
BLOCK:
NEW BluePrint Cast Iron Block
Manufactured and Machined in the USA!
4-Bolt Main
4.500" Bore
1-Piece Rear Main Seal
Mech fuel pump provision: Yes
Standard Deck
ROTATING ASSEMBLY:
New BluePrint Forged Crankshaft. can be custom built with dual crank key.
4.250" Stroke
Forged H-beam 6.135" connecting rods
Forged Pistons
Internal
CYLINDER HEADS:
BluePrint Aluminum Cylinder Heads - PS8013
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
.540 Intake .560 Exhaust
242 Intake / 248 Exhaust duration
@ .050 - 114-degree lobe separation
IGNITION TIMING:
10-16° and total timing 32-34°
ALSO INCLUDES:
Valve covers, oil pan and timing cover
NOTES:
Built to accept Power Adders - Turbo chargers, superchargers, NOS etc.
Replaces BP49610CT
Built with Dual Keyway Crankshaft for Harmonic Balancer
SFI Harmonic Balancer included on engine
Not for EGR
Cylinder heads feature a .300 in. raised exhaust port vs an OEM casting.
Must verify header/exhaust clearance

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov