Wössner forged piston kit Renault Alpine 1300 and R8 Gordini 812-00

Wössner forged piston kit for Renault Alpine 1300 and R8 Gordini 1300 with the 812-00 engine. Two bore sizes are offered: 75 mm and 75.7 mm. The 2025 manufacturer catalogue lists a 12.65:1 compression ratio for 75 mm and 12.87:1 for 75.7 mm. The resulting ratio must be checked against the engine configuration.

72 mm stroke, 20 mm piston pin, 35 mm compression height and 133 mm connecting rod centre distance. Have a qualified professional check the rings for the ordered size and the ring end gap in accordance with the instructions for the supplied ring set.

Check the engine code, actual bore, machining and clearances with the engine builder before ordering. Dimensions alone do not guarantee fitment. Image for reference only. Detailed accessory contents are not confirmed.