Take performance to the next level with Trick Flow Twisted Wedge ^® 11R cylinder heads for small block Ford . The heads have 11 ° intake and 13 ° exhaust valve angles plus unique “ twisted ” combustion chambers for more airflow and power capability . High velocity runners are optimized for popular bore and stroke combinations . Premium materials and components ensure uncompromising quality and durability . The fully machined castings increase strength and have a great-looking billet-like appearance . Available in an entry-level form with 170cc or 190cc CNC Street Ported intake runners or in an ultimate performance version with 190cc or 205cc intake CNC Competition Ported runners .

Dyno Results Twisted Wedge 11R with 205cc CNC Competition Ported Runners

Airflow Results Twisted Wedge ^® 11R with 205cc CNC Competition Ported Runners

Test Engine : 11.59:1 compression 427 c . i . d . with Trick Flow Twisted Wedge ^® 11R 205 cylinder heads ( TFS-52615601-C03 ), Trick Flow Track Max ^® hydraulic roller camshaft ( TFS-51403005 ), 1.72 ratio roller rocker arms , Edelbrock Super Victor intake manifold , Hooker headers with 1 ⁷ ⁄ 8 " primaries , 3 " dual exhaust with Flowmaster mufflers .

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Tests conducted at 28 " of water ( pressure ). Bore size : 4.030 " 66cc CNC-profiled combustion chambers ; exhaust with 1 ³ ⁄ 4 " pipe .

New heads are just one component of the horsepower recipe . To make it complete , you ’ re going to need some more ingredients .

Track Max ^® Hydraulic Roller Camshafts

Give your small Ford an even bigger power boost with a Track Max camshaft . Available in several hydraulic roller designs up to 250 °/ 254 ° duration and . 595 "/. 595 " of lift , they are dyno proven to produce significant power increases over the entire RPM range .

Roller Rocker Arms

These aluminum roller rockers are excellent for use with Trick Flow and other aftermarket heads , plus factory Ford heads , too . They feature heat-treated CNC-machined bodies , premium needle-bearing fulcrums , roller tips , and a machined relief for improved valve spring clearance . Sold in sets of 16 with polylocks .

Trick Flow by Wiseco Twisted Wedge ^® Forged Piston Sets

These lightweight premium alloy , fully skirted forged pistons perfectly match the unique chamber and valve angles of Twisted Wedge heads . They feature oversized valve reliefs , precision-fi t wrist pins , and Spirolox retainers . Available in a choice of compression ratios as low as 8.0:1 for supercharged applications .

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Some parts are not legal for use in California or other states with similar laws / regulations . Please check your state and / or local laws / regulations .