Charts & Guides for Part Number TFS-K525-432-370
Trick Flow® Twisted Wedge® 11R Top-End Engine Kits for Small Block Ford TFS-K525-432-370
Part Number: TFS-K525-432-370
Trick Flow® Twisted Wedge® 11R Top-End Engine Kits for Small Block Ford
Top-End Combo, Twisted Wedge® 11R Heads, Track Max® Camshaft, 1.6 Rockers, Small Block Ford, 302, Kit
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Estimated Ship Date: Mar 2, 2026
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Overview
Brand:
Manufacturer's Part Number:
TFS-K525-432-370
Part Type:
Product Line:
Summit Racing Part Number:
TFS-K525-432-370
Cylinder Heads Included:
Yes
Camshaft Included:
Yes
Camshaft Type:
Hydraulic Roller Tappet
Duration at 050 inch Lift:
221 int./225 exh.
Advertised Duration:
275 int./279 exh.
Valve Lift with Factory Rocker Arm Ratio:
0.499 in.t/0.510 exh.
Intake Manifold Included:
No
Carburetor Included:
No
Throttle Body Included:
No
Fuel Rails Included:
No
Fuel Injectors Included:
No
Timing Chain and Gears Included:
Yes
Lifters Included:
No
Gaskets Included:
Yes
Cylinder Head Style:
Assembled
Cylinder Head Material:
Cast aluminum
Cylinder Head Color:
Natural
Combustion Chamber Volume (cc):
53
CNC-Machined Combustion Chamber:
Yes
Intake Runner Volume (cc):
170cc
CNC-Machined Intake Runner:
Yes
CNC-Machined Exhaust Runner:
Yes
Intake Port Location:
Standard
Exhaust Port Location:
Standard
Spark Plug Style:
Angle
Intake Valves Included:
Yes
Intake Valve Diameter (in.):
2.020 in.
Exhaust Valves Included:
Yes
Exhaust Valve Diameter (in.):
1.600 in.
Valve Springs Included:
Yes
Outside Diameter of Outer Spring (in.):
1.460 in.
Damper Spring Included:
Yes
Number of Springs Per Valve:
Dual
Retainers Included:
Yes
Retainer Material:
Chromoly steel
Locks Included:
Yes
Lock Style:
7 degree
Valve Stem Seals Included:
Yes
Rocker Arms Included:
No
Rocker Arm Studs Included:
Yes
Rocker Arm Nuts Included:
Yes
Rocker Arm Nut Thread Size:
7/16 in.-20
Guideplates Included:
Yes
Pushrods Included:
Yes
Valve Covers Included:
No
Accessory Bolt Holes Drilled:
Yes
Valve Guides Included:
Yes
Valve Guide Material:
Bronze
Valve Seats Machined:
Yes
Valve Seat Material:
Ductile iron
Steam Holes Drilled:
No
Oiling Style:
Through pushrod
Machined for O-Ring:
No
Heat Crossover:
No
Quantity:
Sold as a kit.
Trick Flow® Twisted Wedge® 11R Top-End Engine Kits for Small Block Ford
Save cash and take the guesswork out of building a winning engine combination with Trick Flow’s Twisted Wedge 11R top-end engine kits. Tuned by Trick Flow engineers to deliver optimum horsepower and torque on a small block Ford, these kits are built around a set of dyno-proven Twisted Wedge 11R 170 cylinder heads (TFS-52515301-C00). Also included is a Track Max® hydraulic roller camshaft (TFS-51403001), 1.6 ratio roller rocker arms (TFS-51400520), true roller timing chain set (TFS-51478520), chromoly pushrod set (TFS-21407050), cylinder head bolt kit (TFS-92005), and a complete engine gasket set (TFS-51400904). On Trick Flow’s engine dyno, the test engine made 432 horsepower and 370 lbs.-ft. of torque with these parts installed!
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Kit/Combo Contents
Trick Flow Specialties TFS-21407050 - Trick Flow® Chromoly Pushrods
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Trick Flow Specialties TFS-92005 - Trick Flow® Cylinder Head Bolt Kits
Cylinder Head Bolt Kit, Hex Head, Chromoly Steel, Black Oxide Finish, Ford, Small Block, Kit
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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