Custom Manufactured products for automotive enthusiast and testing facilities & made in USA
TRICK FLOW 175CC DHC CAMEL HUMP Z/28 HEADS

TRICK FLOW 175CC DHC CAMEL HUMP Z/28 HEADS

DEL-TRON PRODUCTS  SBC Trick flow heads 

Part No. DEL-TRFTFS30210007

Trick flow 175cc DHC small block chevy fast cast aluminum cylinder heads. These look like chevy Z/28 186 double hump heads with accessory holes, late 1960s but much better and are a good pick for a 327 to 350 Cubic Inch operating below 6000 RPM. A356 aluminum/60cc chambers/straight plug/23 degree/min bore diameter 4.000" (Flowbench data @.500" lift Int 258cfm exh 198cfm w/pipe.)

  •  11/32 stem diameter stainless steel Int/exh Valve 2.020"/1.600" 
  • Intake 175cc Exhaust 74cc both standard location
  • CNC chambers 60cc
  •  Spring 1.460"OD Hydraulic roller Valve Spring,130 lbs on seat, .600"lift, Max RPM 6000
  •  7°Chrome Moly Retainers 7° Lock Valve Keepers 
  •  Positive stop Valve Seals 
  • Guide plates 5/16" Rocker stud 3/8-16
  • Special order 5-7 business days

Please e-mail with questions





$1,749.95