Crower 74193B Features:

Crower 74193B billet steel shaft mount rocker system for SBC engines with BMF CFE 18° cylinder heads CNC precision-machined from ball race alloy steel, then heat-treated twice for racing-strength valvetrain stability Micro-finish ground rocker surfaces help reduce friction, support horsepower gains, and minimize valve guide and stem wear Shaft-mounted design delivers accurate rocker alignment for high-performance and competition Small Block Chevy builds

Billet Shaft Rockers Bmf SBC Bmf Cfe 18-Degree Billet Features:

• CNC-machined billet steel shaft-mount rockers for SBC with BMF CFE 18° heads, race-ready valvetrain geometry and precise shaft alignment
• Double heat-treated ball-race alloy steel construction, micro-finish ground surfaces for reduced friction, smoother motion, and lower wear
• Shaft-mount design helps increase valvetrain stability at high rpm, supporting consistent rocker action in demanding racing applications
• Application-specific fitment for Crower 74193B on Small Block Chevy engines using BMF CFE 18° cylinder heads
• Engineered to help increase horsepower while decreasing valve guide and valve stem wear in high-performance competition builds