KIBBLEWHITE Lower Collars

KIBBLEWHITE Lower Collars (Set of 4) Upgrade your Shovelhead valvetrain with KIBBLEWHITE Lower Collars—precision-engineered for dependable intake/exhaust sealing and performance. Designed to work with 0.565" valve guides , these OE-style collars provide the fit and clearance needed for proper spring and retainer geometry. Key Features Heat-treated steel for strength and durability under engine heat Machined to fit 0.725" OD seal and 0.565" valve guide Counter-bored design to allow for greater retainer-to-seal clearance Made in the USA Specifications Units: Set of 4 Material: Steel Type: Valve Spring Collar (Lower Collar) Riding Style: Street Application: Intake & Exhaust Inside Diameter: 0.725" Style: OE Fitment: Works with Shovelhead '66–'79 and 0.565" valve guides . Weight: 0.27 lbs .