Crower 74435F Features:

Crower 74435F Legacy Series shaft rocker system for CID 4.125 BE LS cylinder heads with 5/8 in. shafts. Cast stainless steel shaft-mount rockers for LS7 12-degree 2.9 in. MCSA BE heads, 4.125 in. bore applications. CNC precision-machined ball race alloy steel shafts are double heat-treated and micro-finish ground in-house. 1-piece intake stand design requires no additional machine work for installation and supports easier setup.

Legacy Series Shaft Rocke Cast Stainless Steel, 5/8 In. Features:

• Cast stainless steel shaft-mount rocker system for CID 4.125 BE LS7 12-degree 2.9 in. MCSA BE heads with 5/8 in. shafts
• CNC-machined ball-race alloy steel shafts, double heat-treated and micro-finish ground for precise valvetrain stability
• 1-piece intake stand design, no additional machine work required for streamlined installation on compatible cylinder heads
• Optional needle-bearing tip, DLC-coated pin, or bushed rocker upgrades for application-specific valvetrain tuning
• Built for high-flow LS7 inline 420+ CFM cylinder head setups and aftermarket piston clearance planning in performance builds