Wössner forged piston kit Renault R5 Alpine 840-25

Kit for the naturally aspirated Renault R5 Alpine with the 840-25 engine. Available bore sizes: 76 mm, 76.6 mm and 80 mm. Manufacturer compression ratios: 11:1 at 76 mm, 11.15:1 at 76.6 mm and 12.08:1 at 80 mm. Do not confuse with the R5 Alpine Turbo or R5 GT Turbo. Check machining feasibility and liner fitment for the selected size.

77 mm stroke, 20 mm piston pin, 37.8 mm compression height and 128 mm connecting rod centre distance.

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.