Trick Flow 225cc CNC Ported Cleveland Heads

September 25, 2020 by  
Filed under

Call for pricing

SKU: 7996f2694277 Category:



1970-1974 SBF Cleveland
Trick Flow PowerPort® Cleveland 225 heads feature fully CNC-ported 225cc intake and 115cc exhaust runners, 60cc combustion chambers, and your choice of 1.460 in. or 1.530 in. valve springs. The PowerPort® Cleveland heads fit 351C, 351M, and 400 engines out of the box. With minor machining, the heads can be used with 302 and 351W blocks to create a “replica” Boss 302 or a 351 “Clevor” engine. The PowerPort® Cleveland heads come fully assembled with lightweight stainless steel 2.080 in./1.600 in. valves, ductile iron valve seats, chromemoly retainers, machined valve locks, Viton® fluoroelastomer valve seals, 7/16 in. ARP rocker arm studs, and your choice of valve spring packages. Should you need a custom assembly not included here, give us a call.

Lift Intake Exhaust
0.100 68 55
0.200 146 115
0.300 223 162
0.400 282 204
0.500 313 231
0.600 336 240
0.700 339 244
* Tests conducted at 28″ of water, 4.125″ bore, 1.875″ exh. pipe

Material: A356-T61 aluminum
Combustion Chamber Volume: 60cc CNC-profiled
Intake Port Volume: 225cc CNC-ported
Intake Port Location: Stock
Intake Port Dimensions: 1.500″ x 2.100″
Intake Gaskets: Fel-Pro 1240
Intake Valve Diameter: 2.080″
Intake Valve Seat: Ductile iron
Exhaust Port Volume: 115cc CNC-ported
Exhaust Port Location: Raised .100″ from OE 2V
Exhaust Port Dimensions: 1.380″ x 1.670″
Exhaust Gaskets: Fel-Pro 1430
Exhaust Valve Diameter: 1.600″
Exhaust Valve Seat: Ductile iron
Valve Guide Material: Bronze alloy
Valve Seals: Viton® fluoroelastomer
Valve Seat Angles: 35°x 45°x 60°
Valve Spring Pocket Diameter: 1.615″
Rocker Arm Studs: ARP 7/16″
Rocker Arm Type: Stud mount roller rocker arms
Minimum Bore Diameter: 4.000″
Cylinder Head Bolts: ARP 154-3604 or equivalent
Spark Plugs: Autolite 3924 or equivalent

Give us a call at 330-634-2155
Send us an email at

Additional information

Weight 60 lbs


Comments are closed.