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Instruction Sheets for Part Number TFS-5141B002-M61
Trick Flow® Twisted Wedge® 170 Cylinder Heads for Small Block Ford TFS-5141B002-M61
Part Number: TFS-5141B002-M61
Trick Flow® Twisted Wedge® 170 Cylinder Heads for Small Block Ford
Cylinder Head, Twisted Wedge® 170, Aluminum, Fast As Cast®, 61cc CNC-Profiled Combustion Chambers, Bare, Ford 289, 302, 351W, Each
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Overview
Brand:
Manufacturer's Part Number:
TFS-5141B002-M61
Part Type:
Product Line:
Summit Racing Part Number:
TFS-5141B002-M61
UPC:
842645111211
Combustion Chamber Volume (cc):
61
Intake Runner Volume (cc):
170cc
Exhaust Runner Volume (cc):
66cc
Cylinder Head Style:
Bare
Cylinder Head Material:
Cast aluminum
Intake Port Shape:
Rectangular
CNC-Machined Combustion Chamber:
Yes
CNC-Machined Intake Runner:
No
CNC-Machined Exhaust Runner:
No
Combustion Chamber Style:
Twisted Wedge®
Intake Port Location:
Standard
Exhaust Port Shape:
Square
Exhaust Port Location:
Standard
Intake Valves Included:
No
Exhaust Valves Included:
No
Valve Springs Included:
No
Damper Spring Included:
No
Retainers Included:
No
Locks Included:
No
Valve Stem Seals Included:
No
Rocker Arm Studs Included:
No
Rocker Arms Included:
No
Rocker Arm Nuts Included:
No
Guideplates Included:
No
Valve Cover Mounting Style:
Perimeter bolt
Accessory Bolt Holes Drilled:
Yes
Intake Valve Angle:
15
Exhaust Valve Angle:
17
Valve Guides Included:
Yes
Valve Guide Material:
Bronze
Valve Seats Machined:
No
Valve Seat Machine Style:
Un-machined seat
Valve Seat Material:
Ductile iron
Cylinder Head Color:
Natural
Steam Holes Drilled:
No
Oiling Style:
Through pushrod
Machined for O-Ring:
No
Heat Crossover:
Yes
Remanufactured:
No
Quantity:
Sold individually.
Notes:
Designed for use with hydraulic roller camshafts. Valve cover rails are raised .350" above stock height. These cylinder heads are compatible with stock pistons when used with Trick Flow Track Max® Hydraulic Roller Camshafts TFS-51503001 and TFS-51503002. The heads are typically compatible with stock pistons and other aftermarket camshafts up to approximately .550" valve lift, depending on the camshaft specifications and timing. It is highly recommended to verify proper piston-to-valve clearance with all aftermarket camshafts before operating the engine.
Trick Flow® Twisted Wedge® 170 Cylinder Heads for Small Block Ford
Something great just got better! Twisted Wedge 170 cylinder heads now feature updated A356-T61 machined castings previously reserved for Trick Flow's 11R series heads, including a .625" thick deck for more power-making strength. The castings' billet-like appearance seriously increases the cool factor too.
Twisted Wedge 170 cylinder heads have Trick Flow's pioneering Twisted Wedge combustion chamber to reduce valve shrouding and enhance high-lift flow. The design features altered 15° intake/17° exhaust valve angles, which tightens the combustion chamber for increased compression and improved piston-to-valve clearance. That allows the use of higher lift cams with stock pistons—even with the 2.020" intake valves!
CNC-profiled combustion chambers with relocated spark plugs optimize combustion efficiency, and a choice of 58cc or 61cc combustion chamber volumes allow builders to dial-in the perfect compression ratio. High-efficiency, Fast As Cast® runners and a competition level, multi-angle valve job deliver near-CNC-ported power and airflow at cast head prices.
Assembled Twisted Wedge 170 cylinder heads come with top-quality stainless steel valves, bronze guides, PAC Racing valve springs, thread-in 3/8" or 7/16" rocker studs, and chromoly retainers to ensure great durability and longevity. Some Twisted Wedge 170 cylinder heads are emissions-legal under CARB E.O. #D-747-1 for 1996 and earlier Ford 289, 302, and 351W engines.
Cylinder heads are available fully assembled or as bare castings. Sold individually.
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