Jesel KSS-335050 Sportsman Series Aluminum Shaft Mount Rocker Arms Features:

• Shaft Needle Bearings operate with minimal lubrication while distributing load evenly over the shaft surface
• Clip Pin Nose Rollers are .520 in. diameter tool steel and operate with less friction and less valve guide wear
• Centerless Ground Shafts are precision ground, heat-treated tool steel to provide durable service
• Valve Spring Relief Pocket is ball mill machined to provide additional clearance for up to a 1.550 in. diameter spring
• Billet Steel Stand provides a stable and rigid mount
• Profiled Rocker Tail increases clearance for valve cover and reduces the moment of inertia (weight)
• Tool Steel Lash Adjusters are CNC-machined, heat-treated alloy steel
• Rocker Arms are shot peened and machined from custom-blended 2024 aluminum to resist fatigue from stress and hot operating conditions
• High-quality mounting hardware

Jesel KSS-335050 Sportsman Series Aluminum Shaft Mount Rocker Arms Compatible Heads:

• Chevy OEM Small Block (Gen I)
• AFR 180/195/210cc Pre-Eliminator
• All Pro Street/Strip 23 305-23, AP220S
• Brodix -8, -10, -11
• Dart 23° Iron Eagle, Sportsman II
• Edelbrock Victor Jr, E-Tec
• GM Performance Parts 23° Vortec, Fast Burn, LT-1, LT-4
• Profiler 23° SBC PN #176
• Pro Topline/RHS 23° Pro Action, Pro Torker
• Trick Flow Super 23°, Gen X LT-1
• World Products 23° S/R, Sportsman II