Installation Time
(approx) a Day
Difficulty Level:
Mechanical expertise or professional installation required.
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Twisted Wedge Cylinder Heads; 0.540 Lift (79-95 5.0L)
Item 42702
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features
- Bolt-on performance upgrade
- Improves horsepower and torque
- Aluminum construction
- 61cc Combustion Chamber
- Maximum valve lift 0.540"
- Single valve springs
- Assembled
- CARB EO # D-369-12
- Sold in pairs
- Fits 1979-1995 Windsor-style 5.0L V8s
Description
More Power. Now you can add even more mid-range and top-end horsepower to your 5.0L Foxbody Mustang without sacrificing the bottom-end torque that you love with a set of Trick Flow Twisted Wedge 170 Cylinder Heads.
Twisted Wedge. The increase in power comes from Trick Flows unique "Twisted Wedge" combustion chamber design. Trick Flow engineers rotated the valves and moved them over the center of the cylinder bore. This optimizes the valve angles and the combustion chamber shape to drastically boost airflow to allow for more complete combustion of the air/fuel charge.
Fully Assembled. Trick Flow cylinder heads are ready to be installed right out of the box. They come assembled with stainless steel valves (intakes are back-cut for improved flow), 1.470" single valve springs, locks, retainers, ARP rocker studs, and guide plates. These Twisted Wedge series heads work with almost all OEM and aftermarket intake manifolds and exhaust headers.
CARB Certified. Best of all these Trick Flow Twisted Wedge 170 heads are 50-state emission legal under CARB E.O. number D-369-12.
Application. These 61cc Trick Flow Twisted Wedge Cylinder Heads are designed to be a direct bolt-on performance upgrade for the 1979 to 1995 5.0L Windsor-style V8 engines.
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
Tech Specs
- Cylinder Head Style - Assembled
- Cylinder Head Material - Aluminum
- Cylinder Head Finish - Natural
- Combustion Chamber Volume - 61cc
- CNC-Machined Combustion Chamber - No
- Intake Runner Volume - 170cc
- Exhaust Runner Volume - 66cc
- CNC-Machined Intake Runner - No
- CNC-Machined Exhaust Runner - No
- Combustion Chamber Style - Heart
- Intake Port Location - Standard
- Exhaust Port Shape - Square
- Exhaust Port Location - Standard
- Intake Valves Included - Yes
- Intake Valve Diameter - 2.020"
- Exhaust Valves Included - Yes
- Exhaust Valve Diameter - 1.600"
- Valve Springs Included - Yes
- Maximum Valve Lift - 0.540"
- Outside Diameter of Outer Spring - 1.470"
- Damper Spring Included - Yes
- Number of Springs Per Valve - Single
- Retainers Included - Yes
- Retainer Material - Chromemoly steel
- Locks Included - Yes
- Lock Style - 7 degree
- Valve Stem Seals Included - Yes
- Valve Stem Seal Style - Viton® fluoroelastomer
- Rocker Arm Studs Included - Yes
- Rocker Arm Nut Thread Size - 3/8-24"
- Rocker Arms Included - No
- Rocker Arm Nuts Included - No
- Guideplates Included - Yes
- Guideplate Pushrod Size - 5/16"
- Accessory Bolt Holes Drilled - Yes
- Intake Valve Angle - 15
- Exhaust Valve Angle - 17
- Valve Guides Included - Yes
- Valve Guide Material - Manganese bronze
- Valve Seats Machined - Yes
- Valve Seat Machine Style - 3-angle
- Valve Seat Material - Tungsten
- Steam Holes Drilled - No
- Oiling Style - Through pushrod
- Machined for O-Ring - No
- Heat Crossover - Yes
- CARB EO Number - D-369-12
5.0
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