Instruction Sheets for Part Number TFS-3181B001-C01
Trick Flow® Ultra 18® 250 Cylinder Heads for Small Block Chevrolet TFS-3181B001-C01
Part Number: TFS-3181B001-C01
Trick Flow® Ultra 18® 250 Cylinder Heads for Small Block Chevrolet
Cylinder Head, Ultra 18® 250, Aluminum, Bare, 56cc CNC Chamber, Chevy, Small Block, Each
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Estimated Ship Date from Ohio: Today
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Overview
Brand:
Manufacturer's Part Number:
TFS-3181B001-C01
Part Type:
Product Line:
Summit Racing Part Number:
TFS-3181B001-C01
UPC:
842645108662
Combustion Chamber Volume (cc):
56
Intake Runner Volume (cc):
250cc
Exhaust Runner Volume (cc):
100cc
Cylinder Head Style:
Bare
Cylinder Head Material:
Cast aluminum
Intake Port Shape:
Rectangular
Intake Valve Diameter (in.):
2.150 in.
CNC-Machined Combustion Chamber:
Yes
CNC-Machined Intake Runner:
Yes
CNC-Machined Exhaust Runner:
Yes
Combustion Chamber Style:
Heart
Intake Port Location:
Standard
Exhaust Port Shape:
Oval
Exhaust Port Location:
Raised
Intake Valves Included:
No
Exhaust Valves Included:
No
Exhaust Valve Diameter (in.):
1.600 in.
Valve Springs Included:
No
Damper Spring Included:
No
Retainers Included:
No
Locks Included:
No
Valve Stem Seals Included:
No
Rocker Arm Studs Included:
No
Rocker Arms Included:
No
Rocker Arm Nuts Included:
No
Guideplates Included:
No
Accessory Bolt Holes Drilled:
Yes
Intake Valve Angle:
18
Exhaust Valve Angle:
18
Valve Guides Included:
Yes
Valve Guide Material:
Bronze
Valve Seats Machined:
Yes
Valve Seat Machine Style:
3-angle
Valve Seat Material:
Ductile iron
Cylinder Head Color:
Natural
Steam Holes Drilled:
No
Oiling Style:
Through pushrod
Machined for O-Ring:
No
Heat Crossover:
No
Remanufactured:
No
Quantity:
Sold individually.
Notes:
Requires Jesel or T&D shaft mount rocker arm system, offset 0.550 in. for the intake side and 0.220 in. for the exhaust side. This head will also need special 18 degree intake manifold and custom-built headers.
Trick Flow® Ultra 18® 250 Cylinder Heads for Small Block Chevrolet
Trick Flow Ultra 18® 250 cylinder heads with 18 degree runners make serious horsepower—power ideal for drag and high-rpm circle track racing. Right out of the box, these heads deliver higher airflow numbers than fully prepped 23 degree heads.
Features include Trick Flow’s CNC-profiled combustion chambers and CNC Competition Ported runners with a premium high resolution surface finish for maximum flow and performance.
Ultra 18 250 heads accept most current 18 degree intake manifolds, headers, and other components. They require the use of offset shaft-mounted rocker arms and a mechanical roller camshaft with offset intake lifters. The heads are available fully assembled or as bare castings. Sold individually.
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