16Pcs 17-4PH Stainless Steel Rocker Arms for Pontiac 287-455 V8 4.3L 1.65 Ratio

16Pcs 17-4PH Stainless Steel Rocker Arms for Pontiac 287-455 V8 4.3L 1.65 Ratio

Upgrade your engine's performance and reliability with these high-quality 17-4PH stainless steel rocker arms. Designed specifically for Pontiac V8 engines, these aftermarket components provide the strength and durability needed for high-RPM applications while maintaining a precise 1.65 ratio. Whether you are rebuilding a classic or enhancing a performance build, these rocker arms ensure optimal valve lift and reduced friction for smoother engine operation.

Key Features & Benefits

• Precision engineered from 17-4PH stainless steel for superior strength and corrosion resistance.
• Aftermarket design ensures a high-performance alternative to stock components.
• Optimized 1.65 ratio increases valve lift for improved airflow and power output.
• Reduces friction and wear within the valvetrain for extended engine life.
• Designed for easy installation in standard Pontiac V8 configurations.

Compatible Models

• Pontiac 287 V8
• Pontiac 316 V8
• Pontiac 326 V8
• Pontiac 347 V8
• Pontiac 350 V8
• Pontiac 370 V8
• Pontiac 389 V8
• Pontiac 400 V8
• Pontiac 421 V8
• Pontiac 428 V8
• Pontiac 455 V8
• Pontiac 4.3L V8

Product Specifications

• Material: High-Strength 17-4PH Stainless Steel
• Quantity: 16 Pieces
• Rocker Ratio: 1.65
• Application: Pontiac V8 Engines (287-455)
• Part Type: Aftermarket Performance

Frequently Asked Questions

Is this an OEM part? No, this is a premium aftermarket part designed to meet or exceed the performance specifications of the original equipment.

How do I confirm compatibility? Please check your engine displacement and current valvetrain setup to ensure these 1.65 ratio rocker arms are compatible with your specific Pontiac V8 build.