TFS Twisted Wedge Heads

Fox Lake Power Products/Trick Flow Twisted Wedge & Track Heat
SB Ford Aluminum (Stage 1, 2, 3 & 4)
FOX LAKE has specially tailored this already potent Small Block Aluminum Head into some of the best suited Head and Manifold Combos for Street/Stripe EFI or Carbureted. Four Stages of Twisted Wedge Performance are available.
STAGE 1: Street/Strip Porting Package
Twisted Wedge Stage 1 ported intake port

Whether you are just looking to improve your E.T. or gain some cheap horsepower, Stage 1 Porting can fill your needs. Picking up Intake flow by over 35cfm, you will get the most BANG for the BUCK Anywhere! Our Stage 1 porting is NOT just a gasket match and a sand roll like most so-called “Stage 1” porting jobs out there. Perfect for stock or mildly modified engines up to 6000RPM.

Stage 1 Specifications :
Port Volume 175 CC
Combustion Chamber Volume = 62cc
Valve Sizes = 2.020 Int, 1.600 Exh
Max Flow Int. – 281cfm @ .600″
Max Flow Exh. = 210cfm @ .600″
Stage 1 CNC FAST Porting Only
Send us your Castings & we Port them
$599 Pair
Stage 1 CNC FAST Port & Upgrade
Your heads-Our Porting & Valve Spring upgrade with new seals, Assembled includes Fox Lake Valve Job & Mill Flat
$895 Pair
Stage 1 CNC FAST Assembled* (Basic)
Option 1: Fox Lake Valve job
Option 2: Mill Flat
Option 3: Comp 977-16 springs
$1599
$ 150
$ 75
$ 139
STAGE 2: Competition CNC Porting
Fox Lake Stage 2 CNC chamber. Absolutely beautiful!

Although Twisted Wedge Heads make great performance improvements for the street, our Stage 2 Competition CNC Porting is for the discriminating enthusiast looking for the MAXIMUM that his Heads have to offer. Stage 2 Picks up the Intake Flow a WHOPPING 55cfm! Great for Large Superchargers, Bigger cubic inch engines, or Higher RPM Horsepower Gains. Hours of Porting Time have given us this Extremely Efficient CNC Package. Stud mount only.

Stage 2 Specifications :
Port Volume 185 CC
Combustion Chamber Volume = 65cc
Valve Sizes = 2.020 Int, 1.600 Exh
Max Flow Int. – 300cfm @ .600″
Max Flow Exh. = 220cfm @ .600″
Stage 2 CNC FAST Porting Only
Send us your Castings & we Port them
$899 Pair
Stage 2 CNC FAST Port & Upgrade
Your heads-Our Porting & Valve Spring upgrade with new seals, Assembled includes Fox Lake Valve Job & Mill Flat
$1195 Pair
Stage 2 CNC FAST Assembled*
Option 1: Fox Lake Valve job
Option 2: Mill Flat
Option 3: Comp 977-16 springs
$1699 Pair
$ 150
$ 75
$ 139
STAGE 3: Competition CNC Porting
Fox Lake Stage 3 CNC chamber. Absolutely beautiful!
This Bigger 195cc really shines on 357-427 cu.in Engines fuel injected or carb intakes may require porting for max power. Picks up 65cfm @.600 lift over stock!
Stage 3 Specifications :
Port Volume 195 CC
Combustion Chamber Volume = 65cc
Valve Sizes = 2.020 Int, 1.600 Exh
Max Flow Int. – 310cfm @ .600″
Max Flow Exh. = 220cfm @ .600″
Stage 3 CNC FAST Porting Only
Send us your Castings & we Port them
$999
Stage 3 CNC FAST Port & Upgrade
Your heads-Our Porting & Valve Spring upgrade with new seals, Assembled includes Fox Lake Valve Job & Mill Flat
$1295
Stage 3 CNC FAST Assembled* (Basic)
Option 1: Fox Lake Valve job
Option 2: Mill Flat
Option 3: Comp 977-16 springs
$1799
$ 150
$ 75
$ 139
STAGE 4: Ultra Competition
Fox Lake Stage 4 CNC chamber. Absolutely beautiful!
This is the head Phill Clemmons used to win the 2004 NMRA Drag Radial Championship. 1400 hp potential w/ procharger F1 not many street heads can claim that, Send us yours today.
Stage 4 Specifications :
Port Volume 207CC
Combustion Chamber Volume = 65cc
Valve Sizes = 2.055 Int, 1.600 Exh
Max Flow Int. – 320cfm @ .600″
Max Flow Exh. = 230cfm @ .600″
Stage 4 CNC FAST Porting Only
Send us your Castings & we Port them
$1099
Stage 4 CNC FAST Port & Upgrade
Your heads-Our Porting & Valve Spring upgrade with new seals, Assembled includes Fox Lake Valve Job & Mill Flat
$1395
Stage 4 CNC FAST Assembled* (Basic)
Option 1: Fox Lake Valve job
Option 2 :Mill Flat
Option 3: Comp 977-16 springs
Option 4: 8 new ferrera stainless steel valves
$1899
$ 150
$ 75
$ 139
$ 129
* Head Assemblies Include :
• Trick Flow Stainless Steel Valves
• 10 Degree Chrome Moly Retainers
• ISKY Chrome Silicon Valve Springs
• 10 Degree Machined Superlocks
• PC TEFLON Valve Seals
• Shims for Proper Spring Pressure
• 3/8″ or 7/16″ studs and guideplates included
Please check out our Harland Sharp roller rockers exclusively for these heads!