Crower 74115F Features:

Crower 74115F shaft rocker system for SBC Brodix Track 1 and KCT 1227 heads Heavy-duty 5/8 in. shafts for increased rigidity and valvetrain stability CNC-machined ball race alloy steel construction with double heat-treatment Micro-finish ground in-house for precise fit and consistent rocker shaft operation

Shaft Rockers Brodix Trac With 5/8 In. Shafts For Features:

• SBC shaft-mount rocker system for Brodix Track 1 and KCT 1227 heads with 5/8 in. shafts for high-rigidity valvetrain control
• CNC-machined ball-race alloy steel shafts with double heat-treatment and micro-finish grinding for strength and precision
• Needle-bearing roller tip compatibility helps reduce friction, free horsepower, and lower valve guide and valve stem wear
• Improved valve spring life through reduced operating heat versus non-needle rocker designs in demanding racing applications
• Race-focused valvetrain upgrade delivering greater stability and rigidity for competitive Small Block Chevy engine builds