Description
STANDARD BORE 2.7805″
8.8:1 COMPRESSION, 3 RING, DISHED TOP PISTON WITH PIN
LOW DRAG SLIPPER TYPE PISTONS FOR MODERN DAY COMPRESSION RATIOS AND UNLEADED FUEL.
TYPICALLY INSTALLATION WILL RESULT IN A MINIMUM 8.8:1 COMPRESSION RATIO BUT ON SOME METRO VERSIONS IT WAS HIGHER.
CURRENT PISTONS DIFFER FROM THE 60S ORIGINALS, IMPROVED WITH A “LOW DRAG” SLIPPER SKIRT DESIGN AND A SHORTER LIGHTER WRIST PIN.
WRIST PIN HEIGHT IS 1.4689″, CROWN HAS 8CC DISH, AND THEY HAVE TWO 1.5MM COMPRESSION RINGS AND A 4MM OIL RING.
FROM THE TOP RING TO CROWN THESE MEASURE ABOUT 7MM
+.020, +.030, +.040 AND +.60 ALSO AVAILABLE FOR SPECIAL ORDER
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