- new take-off milled 69730 212cc non-hemi head. 11mm dowel holes drilled to fit non-hemi predator blocks. Includes: head assembly, 27mm 25mm valves with 5mm stems, valve cover, 10.8lbs or 18lbs valve springs w/ seal, steel keepers w/ split style retainers, spark plug, spark plug wrench. non-hemi predator heads have 5mm valve guides (head bolts and valve cover bolts sold separately) message me with your milling specs. if i don't receive a message with the amount you need milled, I'll assume .035" and ship the next business day. the non-hemi predators have 11mm dowels. hemi blocks use the two bottom 10mm dowel holes and the non-hemi with 11mm dowel use the bottom left and top right holes. MILLED TO YOUR SPECIFICATION - these heads are shipped stamped on the bottom with the amount that they are milled if you need these shipped unmarked for stock appearing classes message be at checkout
HEAD OPTIONS:
1. add $40 for porting - blending the ports to under valve seats and short radius (no polishing)
2. add $35 for polishing combustion chamber and ports - polish to a shiny finish, may have some irregularities (not to a mirror finish)
3. add $15 for cutting spring seats diameter to fit 36lbs springs (no valves, springs, or retainers sent with this option)
message me before purchase and ill change the listing to include options (ships in one business day)
APPROXIMATE CCs
MILLED CCs
.010" 20cc
.015" 19.5cc
.020" 19cc
.025" 18.5cc
.030" 18cc
.035" 17.5cc
.040" 17cc
.045" 16.5cc
.050" 16cc
.055" 15.5cc
.060" 15cc
.065" 14.5cc