Top Street Performance Pro Series Stainless Steel 1.7 Ratio 7/16" Needle Bearing Roller Rocker Arms for Chevy Big Block

Big Block Chevy 1.7 Ratio Roller Rocker Arms for Improved Valvetrain PerformanceThese 1.7 ratio roller rocker arms are designed for Big Block Chevy applications, helping improve valve lift, reduce friction, and support more responsive engine performance.Built from stainless steel, this rocker arm design balances strength, durability, and valvetrain stability for street performance, restoration, and upgraded engine builds.The needle bearing design helps promote smoother rocker motion and more consistent valve control, especially when paired with compatible camshaft, pushrod, and valve spring combinations.Configured for 7/16 in. stud applications where applicable, these rocker arms are built for proper fitment and reliable operation. Always verify rocker ratio, stud size, pushrod length, guideplate alignment, and valve spring clearance before installation.COMPATIBLE WITHCHEVROLET BIG BLOCK V8 ENGINES 6.5L / 396 in³ 6.6L / 402 in³ 7.0L / 427 in³ 7.4L / 454 in³COMMON VEHICLE APPLICATIONSChevrolet Chevelle / Camaro / CorvetteChevrolet C10 / C20 / truck applicationsChevrolet Impala / El Camino / Monte CarloNOTESFits compatible stud-mount big block Chevy valvetrain applications.Verify rocker ratio, stud size, pushrod length, guideplate alignment, valve spring clearance, and valve cover clearance before installation.SPECIFICATIONS: Open Pressure Rating: 500lb Open Pressure Max RPM: 7000RPM Mounting Style: Stud Rocker Arm Ratio: 1.7 Rocker Arm Style: Full Roller Stud Size: 7/16" Rocker Arm Material: Stainless Steel Rocker Arm Finish: Stainless Steel Self-Aligning: No Rocker Arm Body Style: Standard Rocker Arm Nut Style: Poly Lock Slot Width: 0.600" Maximum Spring Diameter: 1.500" Quantity: 16

• Fits Chevrolet Small Block V8 applications with precise rocker arm compatibility
• Aluminum construction reduces valvetrain mass while maintaining strength and durability under load
• Designed for stud mount configurations with roller tip or full roller design for reduced friction
• Improves valve train stability and efficiency; verify pushrod length, guideplate alignment, and clearance before installation