Crower 74715F Features:

Crower 74715F stainless steel shaft rocker assembly for BBC Pro Comp PC-302 320 cc intake runner cylinder heads One-piece intake stands with heavy-duty 5/8 in. shafts help maximize valvetrain stability and rigidity at high rpm Precision geometry includes 1.650 in. arm length, .100 in. intake offset, and .050 in. exhaust offset Intake stand ID 222F uses stand part 74400X222F, and exhaust stand ID 223F uses stand part 74400X223F

Shaft Rockers BBC Pro Com 5/8 In. Shafts, One-piece Features:

• BBC Pro-Comp PC-302 shaft-rocker assembly for 320 cc intake runner heads, one-piece intake stands, 5/8 in. shafts
• Stainless steel rocker arms with 1.650 in. arm length for stable valvetrain geometry in high-rpm racing use
• .100 in. intake offset and .050 in. exhaust offset for precise centerline contact and improved valve-train alignment
• CNC-machined ball-race alloy steel shafts, double heat-treated and micro-finish ground for rigidity and wear resistance
• Needle-bearing roller tip compatible design reduces friction, limits valve-stem scrubbing, and helps lower operating heat