PowerPort ® 365 extreme performance race heads for big block Chevy are designed and built for you to win races . The high-strength castings flow a massive 424 cfm @ . 900 " lift and can withstand enormous amounts of compression and RPM . Rectangular-shaped 365cc CNC Competition Ported runners , 119cc heart-shaped chambers , 24 ° intake valve angles with 4 ° side cants , and the highest quality valvetrain components help make PowerPort 365 heads the best choice for your car .

Use PowerPort 365 heads on your engine and turn your goal of winning into reality .

Dyno Results

PowerPort 365

New heads are just one part of the horsepower formula . To make it complete , you ’ re going to need some other components .

Track Max ® Camshafts

Get even more power with a Track Max camshaft . With high performance hydraulic roller and full race mechanical roller grinds to choose from , these cams will provide the good midrange and strong top-end power that you are looking for from your big cubic inch performance engine .

Roller Rocker Arms

These excellent aluminum roller rockers feature heat-treated CNC-machined bodies , premium needle-bearing fulcrums , roller tips , and a machined relief for valve spring clearance . They slide onto all 7 / 16 " rocker studs and have a 1.7 ratio to increase valve lift . Sold in sets of 16 with polylocks .

Rocker Stud Girdles

These CNC-machined stud girdles help control valve lift and timing changes due to stud flex , allowing more consistent high-RPM performance . Each stud girdle is anodized blue and comes with high-quality mounting hardware and hardened adjusting nuts . Tall-style valve covers required — look for them on TrickFlow . com !

Test Engine : 13.86:1 compression 572 c . i . d . with Trick Flow PowerPort ® 365 cylinder heads ( TFS-4141T804-C02 ), solid roller camshaft ( 285 °/ 298 ° duration @ . 050 "; . 900 "/. 828 " lift ; 114 ° lobe separation ), 1.8 / 1.7 ratio shaft mount roller rocker arms , Trick Flow R-Series intake manifold ( TFS-41400111 ), Holley Gen 3 Ultra Dominator 1,425 cfm carburetor , Trick Flow by Stainless Works headers ( TFS-DBBC238250 ), Q16 racing fuel .

Trick Flow pays contingency in the NHRA on all Trick Flow cylinder heads , and in the NMCA and NMRA on all Trick Flow cylinder heads and intake manifolds .

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TrickFlow . com • 1-330-630-1555

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 .