Product Summary

Long Block Crate Engine Type, 10.48:1 Compression Ratio

  • GM Small Block Compatible 427 c.i. ProSeries Engine
  • 540 Horsepower
  • Long Block
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Key Specs

Crate Engine TypeLong Block
Compression Ratio10.48:1
Engine Displacement427 cu. in.
Camshaft TypeHydraulic Roller
Cylinder Head MaterialAluminum
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Need To Know

Made to Order

This custom item will ship when completed

Truck Shipment

Truck shipments must be pre-paid with a credit card, certified check or money order

Quick and Easy Returns

Return Policy

BluePrint Engines PS4272CT1 Details

Horsepower / Torque:

  • 540 Horsepower / 535 ft. lbs. Torque
  • Compression Ratio: 10.0:1
  • Aluminum Heads
  • Hydraulic Roller Cam
  • Forged Crank
  • Forged Pistons

Block:

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

Rotating Assembly:

  • Forged Crankshaft
  • 4.000" Stroke
  • Forged 6.000" Connecting Rods
  • Forged Pistons
  • Internally Balanced Front and Rear

Cylinder Heads:

  • BluePrint Aluminum Cylinder Heads - HP8103
  • 64cc Chamber
  • 2.08" Intake / 1.60" Exhaust Valves
  • 220cc Intake / 67cc Exhaust Runners

Cam Specs:

  • Hydraulic Roller
  • .577 Intake / .577 Exhaust Lift
  • 240 Intake / 248 Exhaust Duration
  • @.050-112 Degree Lobe Separation

Also Includes:

  • Valve Covers - BPP9518
  • Harmonic Balancer
  • Timing Cover
  • Oil Pan

Notes:

  • Not for use in pollution-controlled vehicles.

CARB Warning

Follow EPA, CARB, and state regulations for engine changes

Emissions warning: this part is for vehicle engine changes, not direct oem engine replacements. In California, engine changes are legal when done in compliance with California bureau of automotive repairs (bar) engine change policy. For assistance, call bar referee at: (800) 622-7733. And see https://bar.Ca.Gov/consumer/smog_check_program/engine_changes. All customers must comply with federal epa mobile source enforcement memorandum no. 1a (and addendum) and all applicable state regulations when conducting engine changes. Improper installation and/or use of this part in California may subject the installer and/or owner to a $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and laws of all states for use of this engine change part on makes or models of vehicles that render them noncompliant with applicable state and/or federal emission laws with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine

BluePrint Engines PS4272CT1 Specifications

KEY SPECS
MFG. Part #PS4272CT1
BrandBluePrint Engines
Crate Engine TypeLong Block
Compression Ratio10.48:1
Engine Displacement427 cu. in.
Camshaft TypeHydraulic Roller
Cylinder Head MaterialAluminum
Piston MaterialForged Aluminum
Crankshaft MaterialForged Steel
Carburetor IncludedNo
Intake Manifold IncludedYes
Distributor IncludedNo
Connecting Rod MaterialForged Steel
Valve Covers IncludedYes
Engine BalanceInternal
Cylinder Heads IncludedYes
Rear Main Seal Style1-piece
Throttle Body IncludedYes
Timing Cover IncludedYes
Oil Pan IncludedYes
Water Pump IncludedYes
Harmonic Balancer IncludedYes
Flexplate IncludedNo
Flywheel IncludedNo
Air Cleaner IncludedNo
Spark Plugs IncludedYes
Spark Plug Wires IncludedYes
Computer IncludedYes
Wiring Harness IncludedYes
GENERAL
Combustion Chamber Volume64cc
Camshaft Duration (.050 in)239° intake / 255° exhaust
Camshaft Lift (in).624 intake / .624 exhaust
Bore x Stroke (in)4.060" bored to 4.069" x 4.125"
Warranty40 month / 50,000 mile
Sold in QuantityEach

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