Chevy 427 SBC Pro Series • Dressed Engine • Aluminum Heads • Roller Cam
PS4271CTC - ProSeries - GM 427 Dressed Alum Heads Roller Cam
HP & Torque: 540 HP / 535 FT LBS
Compression Ratio: 10.0:1
Aluminum Heads
Roller Cam
Forged Crank
Part #: PS4271CTC


New small block - World Products cast iron
2 piece rear main seal
4 bolt main
Driver side dipstick
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
850cmf carb
MSD Pro Billet distributor
Champion spark plugs
BluePrint spark plug wires
Dyno test results shipped with engine


Not for use in pollution controlled vehicles.

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