GM 427 product header
Chevy 427 SBC Pro Series • Base Crate Engine • Aluminum Heads • Roller Cam
PS4272CT - GM 427 New Block Base Alum Heads • Forged

Featured Video

Get Adobe Flash player

HP & Torque: 540 HP / 535 FT LBS
Compression Ratio: 10.0:1
Aluminum Heads
Forged Pistons
Roller Cam
Forged Crank
Part #: PS4272CT


BRAND NEW BluePrint Cast Iron Block
2 piece rear main seal
4 bolt main
4.125" bore

Rotating Assembly:

4340 forged crank
4.000" stroke
4340 forged 6" connecting rods
Hydraulic roller cam

Cylinder Heads:

BluePrint Performance Aluminum
Hardened retainers and springs
2.08 swirl polished intake valves
1.60 swirl polished exhaust valves
BP Aluminum Head Part# H8103
For complete head specs, click here

Cam Specs:

Cam Type: Roller
.577 Intake .577 Exhaust
240 Intake / 248 Exhaust duration
@ .050 - 112 degree lobe separation

Also Includes:

Valve covers, oil pan and timing cover
Harmonic balancer
Dyno test results shipped with engine


Not for use in pollution controlled vehicles.

Share this Engine!

BP GM Product Line

GM Performance Engines

GM Pro Series Engines

GM Shortblocks