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ProMaxx Performance 225 Series Aluminum Cylinder Heads Small Block Chevy

723-9228A


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225 Series Aluminum Cylinder Heads Small Block Chevy
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$2,237.00
225 Series Aluminum Cylinder Heads
  • Small Block Chevy
  • 100% CNC Ported
  • 225cc Intake Ports
  • 64cc Combustion Chamber
  • 2.08'' Int / 1.60'' Exh Valves
  • 7/16'' Rocker Arm Studs
  • .700" Max Lift
  • Titanium Retainers
  • Assembled, 2/pkg
  • Free Shipping - Estimated to ship direct from manufacturer on 08/26/24 , pending manufacturer availability. Learn More
    QTY

    HEY GUYS, IS A DETAILED COMPONENT LIST AVAILABLE FOR THESE HEADS ?, SUCH AS - ( VALVES NON MAGNETIC S.S. ? 10 DEGREE LOCKS, ? SPECIFICS ON SPRINGS ,LOCATORS, RETAINERS, STUDS , ETC, ETC, ) ? TRYIN` TO DECIDE ON BARE OR ASSEMBLED, THANKS, JAMES A.

    Asked by: JIMMYTHEGREASEMONKEY
    Here is some information that may help; Combustion Chamber ……64-72cc Weight …………………………55.00 lbs. Intake Runner ……………. 225cc Exhaust Runner …………..72cc Intake Valve Size …………2.02”-2.08″ Exhaust Valve Size …….. 1.60”” Spring Pressure Hydraulic Flat Tappet .575 max lift Closed ………………….. 115 lbs. @ 1.800” Open ……………………. 310 lbs. @ 1.225” Hydraulic Roller .600 max lift Closed …………………… 145 lbs. @ 1.800” Open …………………….. 325 lbs. @ 1.200” Solid Roller .700 max lift Closed …………………… 230 lbs. @ 1.900” Open …………………….. 600 lbs. @ 1.200” ******* other options available****** Valve Guide ……………Manganese Bronze Valve Seal Material … Viton Retainer Material ……Steel Valve Job ……………… 5-angle Head Bolts……………. ARP 134-3601 Valve Spacing ………. OEM Valve Seats ……………Hardened Steel Intake Gasket ………. Fel-Pro 1206 Exhaust Gasket ……. Fel-Pro 1415 Head Gasket ……….. Fel-Pro 1004 or 1094 Spark Plug …………. .750” Reach Gasket Seat Torque specs …….. 80 Ft lbs. 3 increments using 30wt oil
    Answered by: Rusty B
    Date published: 2018-04-15
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    Technical Specifications and Recommended Components:Combustion Chamber - 64cc Weight - 55.00 lbs Intake Runner - 225cc Exhaust Runner - 62cc Intake Valve Size - 2.08" Exhaust Valve Size - 1.60" Max. Valve Spring Lift - .575" Hydraulic Flat Tappet Spring ...
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