Handles up to 2000 horsepower—ideal for high-performance turbo builds or drag racing

Supertech valve springs feature higher spring rates and greater durability than stock options

6 mm  Rod 148 mm  Compression Ratio 10

The 2JZ-GTE

Kelford S58 Valve Spring Kit | BMW G80 G82 G87 Valve Springs Seat Pressure:90 lbs Handles up to 2000 horsepower—idealKelford S58 Valve Spring Kit High Performance Spring Kit for BMW G80 G82 G87 Kelford S58 Valve Spring Kit with Titanium Retainers designed to work seamlessly with the BMW M Series S58 3. 0L Inline 6. Made using high performance PACALOY, a beehive valve spring and titanium retainers, this kit is sure to offer outstanding performance. Kelford's kit is specifically engineered to work well with their Stage 1, Stage 2, and Stage 3 S58 camshafts to provide