Trickflow Powerport Cylinder Head, Big Block Chevy, 365cc Intake, Titanium Retainers, Max Lift .900

Serious horsepower for your Big Block Chevy engine, heads sold individually. Perfect for all high performance street/strip, racing, and marine applications, Trick Flow PowerPort® 365 cylinder heads for big block Chevy deliver exceptional power potential and competition level durability. Features include rectangular intake runners for strong mid- to high-rpm performance, fully CNC-profiled, heart-shaped combustion chambers, CNC bowl blended valve seat transitions, 24 degree intake valve angles with 4 degree side cants for additional airflow volume, adjustable guideplates, and premium quality, high-strength aluminum castings. PowerPort 365 heads are best suited for 500 plus cubic inch extreme performance engines. The heads include top-of-the-line CNC Competition Ported runners with a high resolution finish for maximum airflow and power and are assembled with the highest quality valvetrain components for ultimate endurance in all operating conditions. Cylinder heads are available fully assembled or as bare castings.
Cylinder Head Style: Assembled Cylinder Head Material: Aluminum Cylinder Head Finish: Natural Combustion Chamber Volume (cc): 119 CNC-Machined Combustion Chamber: Yes Intake Runner Volume (cc): 365cc Exhaust Runner Volume (cc): 135cc CNC-Machined Intake Runner: Yes CNC-Machined Exhaust Runner: Yes Combustion Chamber Style: Open Chamber Intake Port Shape: Rectangular Intake Port Location: Standard Exhaust Port Shape: Round Exhaust Port Location: Raised Spark Plug Style: Angle Intake Valves Included: Yes Intake Valve Diameter (in): 2.350 in. Exhaust Valves Included: Yes Exhaust Valve Diameter (in): 1.880 in. Valve Springs Included: Yes Maximum Valve Lift (in): 0.900 in. Outside Diameter of Outer Spring (in): 1.645 in. Damper Spring Included: Yes Number of Springs Per Valve: Triple Retainers Included: Yes Retainer Material: Titanium Locks Included: Yes Lock Style: 10 degree Valve Stem Seals Included: Yes Rocker Arm Studs Included: Yes Rocker Arms Included: No Rocker Arm Nuts Included: No Rocker Arm Nut Thread Size: 7/16-20 in. Guideplates Included: Yes Guideplate Pushrod Size: 3/8" Valve Cover Mounting Style: Perimeter bolt Accessory Bolt Holes Drilled: Yes Intake Valve Angle: 24/4 Exhaust Valve Angle: 15/4 Valve Guides Included: Yes Valve Guide Material: Bronze Valve Seats Machined: Yes Valve Seat Machine Style: 3-angle Valve Seat Material: Ductile iron Steam Holes Drilled: No Oiling Style: Through pushrod Machined for O-Ring: No Heat Crossover: No Quantity: Sold individually Notes: Designed for mechanical flat tappet camshafts. Exhaust port is raised 0.300 in. over stock.

Instruction Sheets