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Piston Comparison Chart

NEW!

Features:

E Series

SX GSX FX

Broached pin oiling slots Wrist pin oiling slots

X X X

Forged drain-back windows

Slightly larger, deeper valve reliefs than OEM

Drilled, forced wrist pin oiling

X X X X

X X X X X X X X X X X

X X X X X X X X X X X X X

Drilled bottom ring land intersecting oil groove drain-backs

Blower, Turbo, NOS ready

CNCmachined valve reliefs for moderate performance heads and camcombinations Larger, deeper CNCvalvereliefs formoreaggressivecylinderheadandcamcombinations

Additional CNC milling for weight reduction in non-critical areas Patented “X Groove” skirt for superior cylinder and ring life

Precision-honed piston pin bores Diamond-turned high strength skirts

X X X X

X X X X

High-strength piston pins

Premium Aircraft spec. 4032 low expansion alloy

Premium Aircraft spec. 2618 alloy Forged and machined in the USA

X

X

X

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Forgings hot off the press

14

15

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