4-Piece Head Bolt Spark Plug Cover Kit for Harley Big Twin Sportster | HCmotorku

FEATURE Conceal unsightly engine hardware instantly with a sleek, low-profile dome design that caps off exposed spark plug wells and cylinder head bolts. Enjoy long-lasting durability on hot engines thanks to rugged CNC-machined aluminum that resists warping and heat fatigue. Express your personal style with four anodized finish options, including deep red, vibrant purple, bold blue, and classic gold. Achieve a rock-solid fit that won't vibrate loose on the highway using the integrated side set-screws. Get back on the road in minutes with a simple slip-on installation process that requires only the included Allen key. SPECIFICATION Material: CNC Billet Aluminum External Diameter: 28mm (1.1 inches) Internal Diameter: 15mm (0.591 inches) Total Height: 18mm (0.709 inches) Available Finishes: Red, Purple, Blue, Gold Package List: 4x covers, 1x hex key FITMENT Fit for Harley all Twin Cam models 1999-Later All Big Twin 1340 Evo Models 1985-1999 All Sportster models 1986-Later