Kibblewhite Shovelhead Engine Valve Kit - 9.60mm - Standard - 20-22450

Upgrade your engine's performance and reliability with the Kibblewhite Engine Valve Kit. This comprehensive kit provides everything you need for a complete valve overhaul, ensuring optimal engine function and longevity. Built with premium materials and advanced manufacturing techniques, Kibblewhite delivers unparalleled quality for demanding applications.

Description

The Kibblewhite Engine Valve Kit features Black Diamond™ stainless steel valves, known for their exceptional strength, wear resistance, and reduced friction. These one-piece forged valves are fortified with a special German process and black nitride coated for enhanced durability. The kit includes H.T. (Heat Treated) steel valve keepers and valve stem seals (where applicable) to ensure a leak-proof seal and consistent performance. For superior intake and exhaust flow, the valve head diameters are specifically designed with Intake at 49.53 mm and Exhaust at 44.45 mm. Compatible with both leaded and unleaded fuels, this kit is engineered to withstand the rigors of high-performance engines. Each kit is sold complete for one engine and proudly made in the USA.

Features & highlights

• Includes KPMI® or equivalent valve spring kit for optimized valve train dynamics.
• Features Black Diamond™ stainless steel valves for superior strength and wear resistance.
• Black nitride coating reduces friction and enhances valve longevity.
• H.T. (Heat Treated) steel valve keepers provide secure and reliable valve retention.
• Valve stem seals (where applicable) ensure a leak-proof seal and prevent oil consumption.
• Compatible with both leaded and unleaded fuels for versatility.
• Complete kit for one engine, simplifying the installation process.

Technical specifications

• Brand: KIBBLEWHITE
• Vendor Part Number: 20-22450
• Application: Intake, Exhaust
• Collar Material: H.T. Steel
• Head Diameter: Intake 49.53 mm, Exhaust 44.45 mm
• Length: Intake 3.885", Exhaust 3.810"
• Material: Black Diamond™ Stainless
• Spring Lift: 0.415"
• Spring Open Pressure: 272 lb
• Spring Seat Pressure: 129 lb
• Stem Diameter: Intake 9.60 mm, Exhaust 9.60 mm
• Tulip Angle: Intake 23°, Exhaust 29°
• Valve Seat Height: 1.375"
• Units: Kit

Important to know

Valve spring compressor tool may be required for installation. Please refer to your engine's service manual for specific installation instructions and torque specifications.