Machined from billet aluminum. Lower tubes allow easy access for adjustable pushrods. Each kit consists of lower tubes, spring cups, clips, and all necessary seals. Requires use of the OEM inner tubes, springs, and washers. Available in a gloss black anodize finish. Package Included: 1 Set Pushrod & Tappet Cover Kit as shown This is an aftermarket accessory. Brand names and model numbers are referenced strictly for compatibility information.