Outstanding Customer Reviews Pistons (7.3:1 Compression Ratio)
From VIN 20755 to 41648 North American spec models were fitted with 7.3 to 1 compression ratio pistons, with part numbers UE39154 (A Bank) and UE39156 (B bank) stamped on the pistons.
Cars to North America including Canada, California & Japan from VIN 30001 were also fitted with 7.3:1 CR pistons.S grade is equivalent to H & J grade | T grade isequivalent to K & L grade | X grade is equivalent to M & N grade
