SB Ford Twisted Wedge Street/Strip Cylinder Heads An improved combustion cham- ber design rotates valves over the center of the cylinder bores for optimum valve angles, locations and chamber shape. Aluminum heads are
SB Chevy Gen. III GenX Street/Strip Cylinder Heads Increase the performance of GM LS- series engines. GenX aluminum cylinder
heads have a 15° to 13.5° reduction in valve angle to reduce valve shrouding and increase mid-lift air flow. Heads are CNC- ported and include 1.300" dual valve springs and titanium retain- ers. Available for LS1 and LS2, in pairs, completely assembled.
fitted with 2.020" intake and 1.600" exhaust valves, intake valves that do not require flycutting of pistons. Choose as-cast, 170cc, or CNC-ported 205cc intake ports. Sold in pairs, completely as- sembled. TRFTFS-51410004-M61 170cc 61cc 1.460" Dual 2.020" 1.600" Ford Modular 4.6/5.4L Twisted Wedge Street/ Strip Cylinder Head TRFTFS-51910001-M38 Twisted Wedge 185 series cylinder head includes relocated combustion chambers and intake Part No. Intake Runner Comb. Chamber Valve Spring Int. Valve Exh. Valve
Intake Runner
Comb. Chamber
Valve Spring
Int. Valve
Exh. Valve
Part No.
Description
TRFTFS-3061T001 GenX LS1
2.040" 1.575"
Cyl. Heads 220cc 64cc 1.300" Dual
TRFTFS-3061T001-C01 GenX LS1
2.040" 1.575"
Cyl. Heads 215cc 64cc 1.300" Dual
TRFTFS-3061T001-C02 GenX LS2
2.055" 1.575"
Cyl. Heads 225cc 65cc 1.300" Dual
BB Chrysler PowerPort Street/Strip Cylinder Heads PowerPort cylinder heads for big block Chrysler combine an opti- mized runner design with fully CNC-machined runners and com- bustion chambers. Manufactured from premium A356-T61 alumi- num, heads include strengthened
valves that dramatically increase mid-lift air flow, while providing added piston-to-valve clearance and valve-to-bore clearance, allowing higher lift cams and large valves without the need for machine work. Head fits all 2V Romeo and Windsor engines,
rocker shaft bosses, improved rocker shaft oiling and clearance for 3/8” pushrods. Fully assembled heads include 2.19” intake and 1.76” exhaust valves, dual valve springs, chromoly retainers and steel valve locks. Fully compatible with all OEM-style pistons, roller rocker arms, intake manifolds and headers. Sold each. Intake Int. Exh. Valve Comb. Cham. Part No. Description Runner Valve Valve Spring Volume TRFTFS-61617801-C00 Assembled Cyl. Head 240cc 2.190” 1.760” 1.550” 78cc TRFTFS-61617802-C00 Assembled Cyl. Head 240cc 2.190” 1.760” 1.460” 78cc Cylinder Head Accessories Part No. Description TRFTFS-306SB601 GM LS Steam Line Plumbing Kit, Black Nylon Braided Hose TRFTFS-31500811* SB Chevy Valve Cover Adapters, Centerbolt, Increases Height, Pair TRFTFS-51400265 SB Ford Thermactor Plugs, Used To Plug A.I.R. Passages, Each TRFTFS-51411801 SB Ford Cast Aluminum Valve Covers, Black, Pair TRFTFS-54400111 BB Ford Intake Manifold, For ProPort 340cc Or 355cc Heads With 4500 Flange TRFTFS-61600613 BB Chrysler Rocker Arm Shaft Studs, 3/8” Dia., 10-Pack * Requires narrow-body rocker arms.
and is fully compatible with all OE-type camshafts, followers, lash adjusters, valve covers and most front covers. Sold each as a fully assembled cylinder head. Intake Int. Exh. Valve Comb. Cham. Description Runner Valve Valve Spring Volume Assembled Cyl. Head 185cc 1.840” 1.450” .940”/1.050” 38cc BB Ford PowerPort Street/Strip And Race Cylinder Head TRFTFS-53410001 heads include Fast as Cast 290cc intake runners, 130cc exhaust ports, 2.200" intake and 1.760" exhaust valves. Sold per pair, fully as- sembled. Heads have no provision for EGR. 2.200" 1.760" SB Chevy Ultra 18° 250 Race Cylinder Head TRFTFS-3181T001-C01 Engineered for high RPM drag Part No. Intake Runner Comb. Chamber Valve Spring Int. Valve Exh. Valve TRFTFS-53410001 290cc 74cc 1.460" Dual Add significant horsepower and torque to Ford 429-460 engines. PowerPort aluminum cylinder
SB Ford EFI Intake Manifolds Trick Flow Specialties offers a full complement of EFI manifolds for small block 5.0L Fords, each designed to offer a superior balance of low-end torque and high RPM power for a specific com- bination. Choose from manifolds with silver or black powdercoated finishes.
race engines, Ultra 18° 250 cylin- der heads provide more horse- power out-of-the box than fully prepped OEM style, 23° heads. Aluminum head includes CNC-
profiled combustion chambers and competition ported runners for maximum flow. Head accepts most 18° intake manifolds, headers and related components. Requires offset shaft-mounted rocker arms and mechanical roller camshaft with offset intake lifters. Intake Int. Exh. Valve Comb. Cham. Description Runner Valve Valve Spring Volume Assembled Cyl. Head 250cc 2.150” 1.600” 1.560” 56cc
Silver Part No.
Black Part No.
Description Engine RPM Range
StreetBurner Intake Manifold Track Heat Intake Manifold
5.0L Idle-5,500
— TRFTFS-51511001
5.0L 1,500-6,500 TRFTFS-51500002 TRFTFS-51511002 NOTE: Manifold installation requires a calibrated mass air or adjustable fuel injection computer, aftermarket fuel rails, and adjustable fuel pres- sure regulator to operate properly.
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