Wössner forged piston kit Renault R21 Turbo J7R752

Wössner forged piston kit for Renault R21 Turbo with the J7R752 engine. Available bore sizes: 88 mm and 88.5 mm. The manufacturer lists an 8:1 compression ratio for 88 mm and 8.08:1 for 88.5 mm.

82 mm stroke, 24 mm piston pin, 40.5 mm compression height and 137 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.