Crower 74708F Features:

Crower 74708F stainless steel shaft-mount rockers for Big Block Chevy Dart Race Series 320 and 360 aluminum cylinder heads Includes 5/8 in. shafts and a 1-piece intake stand design for exact fitment and no machine work during installation Built for valvetrain rigidity and stability, with correct pushrod seat positioning and reduced valve stem side loading Uses specific 104F intake and 101F exhaust stands to match Dart BBC Race Series 320-360 cylinder head configurations

Shaft Rockers Dart Race S 5/8 In. Shafts, 1-Piece Features:

• Stainless steel shaft-mount rockers for Dart Race Series 320/360 BBC aluminum heads with exact-fit geometry
• Heavy-duty 5/8 in. shafts for added rigidity, improved valvetrain stability, and dependable control under high-rpm operation
• 1-piece intake stands require no machine work for straightforward installation and correct pushrod positioning
• Reduced valve stem side loading with dedicated 104F intake and 101F exhaust stand alignment for Dart BBC setups
• Long-life stainless steel construction suited for sustained high-heat, endurance, marine, and dirt-track racing