Whether it ’ s on the street or on the track , you want the best . Trick Flow PowerPort ^® Cleveland series cylinder heads for 351C and 351M / 400 feature . 100 " raised exhaust runners to dramatically increase fl ow , plus a revised oil return system that improves oil drain back . Provisions for mating the heads to Ford 351W blocks exist if building a Boss-style motor or Clevor is more your thing .

The intake runners have also been optimized to increase fl ow velocity , and Trick Flow ’ s special CNC ported treatment ensures proper dimensional accuracy and balance between the runners . Trick Flow made several other performance improvements to these heads too , like bronze alloy valve guides , ductile iron valve seats , and multi-angle valve seat machining to make PowerPort Cleveland heads the best choice for your car .

Dyno Results PowerPort Cleveland 225

Airflow Results PowerPort Cleveland 195

Lift Value Intake Flow CFM Exhaust Flow CFM

Test Engine : 10.72:1 compression 427 c . i . d . with Trick Flow PowerPort ^® Cleveland 225 cylinder heads ( TFS-5161T004-C01 ), Trick Flow Track Max ^® hydraulic roller camshaft ( TFS-51403003 ), Trick Flow 1.73 ratio roller rocker arms ( TFS-53400621 ), Trick Flow Track Heat ^® intake manifold , Holley Ultra HP 950 cfm carburetor , headers with 1 ³ ⁄ 4 " primaries , 3 " dual exhaust with Flowmaster mufflers .

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

Roller Rocker Arms

These aluminum roller rockers are excellent for use with Trick Flow 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 .

Rocker Stud Girdles

CNC-machined stud girdles help control valve lift and timing changes due to stud flex , allowing more consistent high-RPM performance . Each girdle is anodized blue and comes with high-quality mounting hardware and hardened adjusting nuts . Tall-style valve covers are required , which Trick Flow also offers . Look for them at TrickFlow . com !

Track Heat ^® Intake Manifolds

Turn the heat up on performance with Track Heat intake manifolds . These single-plane manifolds feature a high-rise spider design with high-flow runners for more power in the 3,000-7,000 RPM range . There ’ s also a raised plenum fl oor for increased flow , bosses for nitrous / fuel injection , and extra material for custom porting . Fits all 2V / 4V heads .

. 100 " 68 55 . 200 " 140 111 . 300 " 202 155 . 400 " 254 193 . 500 " 289 221

. 600 " 313 236

Tests conducted at 28 " of water ( pressure ). Bore size : 4.030 "; exhaust with 1 ⁷ ⁄ 8 " pipe .

2104DUTF

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 .