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Piston Specs

PISTON SPECS
MATERIAL Aluminum Alloy
DESCRIPTION Cam Ground, T-Slot, Tin or Brass Plated
LENGTH 3 3/4"
DIAMETER
(near bottom of skirt; right angle to pin)
3.1225" – 3.1245"
WEIGHT 13.5 oz.
PISTON-TO-CYLINDER BORE CLEARANCE Selective Feeler Fit
RING GROOVE DEPTH
No. 1 and 2 Ring
No. 3 Ring
.1593" to .1655"
.1693" to .1755"
RING GROOVE WIDTH
No. 1 Ring
No. 2 Ring
No. 3 Ring
.0955" to .0965"
.095" to .096"
.1875" to .1885"
PISTON PIN HOLE BORE .8120" to .8122"
CYLINDER BORE
Standard
Max. out of round
Max. taper
Max. rebore
3.125" to 3.127"
.005"
.005"
.040"

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