SLS Black Series Valve Buckets

The SLS Black Series features unique valve buckets that are designed to support higher levels of performance that the standard SLS valve buckets.  The SLS Black Series Valve Buckets are entirely covered in an anti friction coating where as the standard SLS buckets are only partially coated.  These buckets are also designed to sustain higher revs of an engine that is being built for high power racing
Key Features:
Designed for High RPM and Racing
Unique Anti Friction coating
Improved Hydraulic system
Direct Replacement for M156 and standard M159 Valve Buckets