Crower 74106F Features:

Crower 74106F shaft rocker system for SBC LS7 ETP LXR applications with a 4.000 bore and 5/8 in. shafts. 2024 aluminum rocker bodies are built for high-strength valvetrain performance in extreme operating temperatures. CNC-machined ball race alloy steel shafts are double heat-treated and micro-finish ground in-house for precision. Aircraft-quality hi-temp alloy lash adjusters feature precision thread rolling after a double heat-treat process.

Shaft Rockers SBC LS7 Etp 4.000 Bore With 5/8 Features:

• 2024 aluminum rocker bodies for high-strength, high-temperature valvetrain stability in SBC LS7 ETP LXR 4.000 bore applications with 5/8 in. shafts
• CNC-machined ball-race alloy steel shafts, double heat-treated and micro-finish ground for precise rocker alignment and reduced friction
• Aircraft-quality hi-temp alloy lash adjusters with precision thread-rolled construction for accurate lash control under extreme RPM and heat
• Built to cylinder head manufacturer specifications for maximum valve lift in exact 4.000 bore, 5/8 in. shaft LS7 racing combinations
• Application-specific shaft rocker system for Crower 74106F, separating exact-fit LS7 setups from other bore-size variants requiring different part numbers