Profiler 176210491 - Cylinder Head Cast Aluminum Chevy Small Block 210cc 64cc 23Degree 2.080" x 1.600" Angle Plug, Assembly w/ 1.550" springs for Solid roller lifters

Profiler 176210491 - Cylinder Head Cast Aluminum Chevy Small Block 210cc 64cc 23Degree 2.080" x 1.600" Angle Plug, Assembly w/ 1.550" springs for solid roller lifters,Titanium retainers

Whether it's circle track, drag racing or street performance the Pro-Filer All-American Series SBC cylinder heads are the solution for your big horsepower needs. Featuring powerful port designs that are packed with air speed and unbeatable, made in the U.S.A., casting technology. The All-American series gives you an edge on the market providing awesome and reliable power.

• End pads drilled and tapped for accessories
• 210cc and Intake Ports
• 64cc Chambers
• Bronze guides for reduced stem wear
  

Material: Aerospace Specification, A356 Aluminum Alloy (Primary Virgin Ingot)
Valve Angle: 23° valve angle provides bolt on compatibility for stock accessories
Bore Spacing: Standard
Intake Port Volume & Shape: Rectangle Shaped, PRECISION As-Cast 195cc
Combustion Chamber: Heart-Shaped, As-Cast - 64cc
Application: High Performance (i.e. street/strip/marine)
Rocker System: Improved Solid Rocker Bar for added stability. May use standard or most aftermarket rockers
Exhaust Valve Diameter: 1.600"
Intake Port Flow: 210cc 297cfm @ .800" lift
Intake Valve Diameter: 2.080"
Deck Thickness: 1/2"
Milling: Angle - .0070" per cc Flat - .0050" per cc
Spark Plugs: Revised location to improve flame travel. .750 Reach, Gasketed (NGK R5671A-7 or colder)
Valve Train: Standard
Valve Guides: Manganese Bronze to assist in extending valve life
Spring Pocket: Maximum of 1.650 (no deeper)
Valve Seats: Steel
Valve Length: Intake: stock length (1.800" install), + .100 long (1.900 install)                  Valve Length: Exhaust: stock length (1.800" install), + .100 long (1.900 install)                    Valve Springs: 1.550" for Solid Roller .750" lift, Titanium retainers
Valve Covers: Drilled for both, center and rail bolt
Engine Size: 210cc - 383cid-427cid / 7000rpm

Air Flow Detail #176 SBC All American Head - 210cc Runner

Pro Filer Small Block Chevy All American Heads with 210cc Intake Runner, 2.08" Intake Valve and 1.60" exhaust valve. Flow data based on Cylinder #1 intake and exhaust port. Flow measured at 28" of depression.