S54 Noise Reduction Kit S54Core 79 engines were equipped with

79 engines were equipped with a Vanos system similar to the BMW's of the same era

Also available with a new solenoid for $150 more

two O-rings for chain tensioners

the bell crank lever that rotates the flapper

S54 Noise Reduction Kit S54Core 79 engines were equipped withThe S54 Noise Reduction Kit is designed to reduce excessive valve train noise commonly found on the S54 engine. The kit includes: 1 modified Intake splined gear (with anti rattle modification) 1 modified Exhaust splined gear (with anti rattle modification) 2 REM coated cam sprockets Price: $300, plus $200 refundable core deposit Return your old gears with the supplied return shipping label for a $150 core refund