Trick Flow® Twisted Wedge® 11R 170 Cylinder Heads for Small Block Ford TFS-52515301-C00

Brand: Trick Flow Specialties Manufacturer's Part Number: TFS-52515301-C00 Part Type: Cylinder Heads Product Line: Trick Flow® Twisted Wedge® 11R 170 Cylinder Heads for Small Block Ford Summit Racing Part Number: TFS-52515301-C00 UPC: 842645115103 Combustion Chamber Volume (cc): 53 Intake Runner Volume (cc): 170cc Exhaust Runner Volume (cc): 66cc Cylinder Head Style: Assembled Cylinder Head Material: Aluminum Intake Port Shape: Rectangular Intake Valve Diameter (in.): 2.020 in. CNC-Machined Combustion Chamber: Yes CNC-Machined Intake Runner: Yes CNC-Machined Exhaust Runner: Yes Combustion Chamber Style: Twisted Wedge® Intake Port Location: Standard Exhaust Port Shape: Square Exhaust Port Location: Standard Spark Plug Style: Angle Intake Valves Included: Yes Exhaust Valves Included: Yes Exhaust Valve Diameter (in.): 1.600 in. Valve Springs Included: Yes Maximum Valve Lift (in.): 0.600 in. Camshaft Style: Hydraulic roller Outside Diameter of Outer Spring (in.): 1.295 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 Arm Studs Included: Yes Rocker Arm Nut Thread Size: 7/16 in.-20 Rocker Arms Included: No Rocker Arm Nuts Included: No Guideplates Included: Yes Guideplate Pushrod Size: 5/16 in. Accessory Bolt Holes Drilled: Yes Intake Valve Angle: 11 Exhaust Valve Angle: 13 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 Quantity: Sold individually. Notes: Street ported fully CNC, non-emissions head. For blocks that are machined for 7/16 in. head bolts, the use of TFS-51400419 head bolt bushings is required. Set-up for hydraulic roller camshafts. Trick Flow® Twisted Wedge® 11R 170 Cylinder Heads for Small Block Ford Something great just got better! Trick Flow® used advanced 3D solid modeling and CAD tools (plus a couple decade's worth of racing experience) to turn its track-proven Twisted Wedge® design into the potent Twisted Wedge® 11R 170 head.Trick Flow® Twisted Wedge® 11R 170 heads are a direct replacement for previous Twisted Wedge® heads and work with all Twisted Wedge®-specific pistons. New high-velocity, race-inspired CNC street ported runners have been optimized for today's popular bore and stroke combinations, and have a standard resolution surface finish for significant performance gains. Modified 11 degree intake and 13 degree exhaust valve angles and a restructured, CNC-profiled combustion chamber arrangement provides more airflow and performance potential.Premium certified materials and components, along with the finest CNC tooling, are used to ensure exceptional quality and durability, dimensional accuracy, and balanced flow from port-to-port. The fully machined castings are very strong and have a great-looking, billet-like appearance.Trick Flow® Twisted Wedge® 11R 170 cylinder heads are available fully assembled or as bare castings. Sold individually.