Crower 74158F Features:

Fits Small Block Chevy engines with Pro-Comp PC-3003 cylinder heads Includes 5/8 in. shafts with premium stainless steel shaft-mount rockers Features .150 intake offset, .075 exhaust offset, and 1.480 arm length 1-piece intake stand design bolts on with no additional machine work required

Shaft Rockers SBC Pro Com 5/8 In. Shafts, .150/.075 Features:

• SBC shaft-mount rocker system for Pro-Comp PC-3003 heads with 5/8 in. shafts and race-ready valve train stability
• Stainless steel rocker arms with .150 intake offset, .075 exhaust offset, and 1.480 arm length for precise geometry
• One-piece intake stand design for bolt-on installation with no additional machine work on compatible SBC applications
• Reduced friction capability with optional needle-bearing roller tips for better high-rpm valve control and lower guide wear
• Heavy-duty performance construction for accurate valve timing, added durability, and demanding racing use