Athena Piston Ring 39x1.5mm Shape B – For Zündapp GTS KS C CS ZD 446 448 517 529 (2-Stroke)

Restoring a Zündapp?

This Athena piston ring is what you need.

It's 39mm diameter, 1.5mm thick, shape B (with locating pin groove in the middle).

Made for 50cc 2-stroke engines like the Zündapp GTS, KS, C, CS, ZD 446, 448, 517, 529.

It's chromed, designed for Nikasil cylinders.

Brand new, made in Italy by Athena.

Part number 003016/R.

Comes as a single ring.

Steel material, gray color.

This is a tuning part – note that it may not be street legal in some areas (STVZO).

Check your local regs.

But for performance or restoration, it's a quality ring.

Weighs almost nothing (0.003 kg).

If your top end is tired, ring it with Athena!