Wossner WO-4019-DA Forged Piston Kit is a Premium Series forged Beta RR-S 350 Enduro
Wossner WO-4019-DA Premium Series Forged Piston Kit for Beta RR-S 350 Enduro (2015–2026) – 87.96 mm
The Wossner WO-4019-DA Forged Piston Kit is a Premium Series forged piston engineered for the Beta RR-S 350 Enduro. Manufactured from premium forged aluminium using Wossner's Double Bridge Forging design with gas porting, it delivers exceptional strength, reduced reciprocating weight and reliable performance for demanding enduro and off-road applications.
Featuring an 87.96 mm piston diameter for an 88.00 mm standard cylinder bore, 57.40 mm stroke compatibility, 26.00 mm compression height and a 13.4:1 Wossner compression ratio (OEM 13.19:1), this forged piston is precision CNC machined to provide excellent piston-to-cylinder fit and dependable ring sealing. The kit uses the TPR88.00 ring set and includes a WP072-SP wrist pin with CW18 retaining clips. :contentReference[oaicite:0]{index=0}
- Premium Series forged piston kit
- Suitable for Beta RR-S 350 Enduro (2015–2026)
- 88.00 mm standard cylinder bore
- 87.96 mm finished piston diameter
- 13.4:1 Wossner compression ratio
- 13.19:1 OEM compression ratio
- 57.40 mm stroke compatibility
- 26.00 mm compression height
- Double Bridge Forging with gas porting
- TPR88.00 ring set
- WP072-SP wrist pin
- CW18 retaining clips
- Includes piston, piston rings, wrist pin and retaining clips
Important: Always confirm your motorcycle make, model, year and cylinder measurements before ordering. Standard and graded pistons should always be selected according to the measured cylinder bore to ensure the correct piston-to-cylinder clearance.
Notice: Product images may differ from the actual product. Images are provided for illustration purposes only and may show a representative item rather than the exact part supplied.