Shopping CartYour Cart is EmptyQuantity: RemoveSubtotalTaxesShippingTotalThere was an error with PayPalClick here to try againThank you for your business!You should be receiving an order confirmation from Paypal shortly.Exit Shopping CartToggle NavigationHomeContactWebstoreDelkronHomeContactWebstoreDelkron Solenberg Performance Parts, Service, Repair, & Performance For Harleys 1903 & UP Shipping is 1-2 weeks out. Web Store My Cart: 0 items All Products / Black 117 Cylinder and Piston Kit D3145 SOLD OUT OUT OF STOCK Black 117 Cylinder and Piston Kit D3145 $1,237.31 only Delkron’s Big Bore kit features cylinders that are designed for optimal thermal conductivity. At its widest point, Delkron’s cast in sleeve measures 4.45 inches, creating a stronger cylinder that runs quieter for peak performance. These big bore stroke cylinders are offered with RT Forged Aluminum pistons, Rings, and Cometic Gaskets. QS-9000 Certified A356-T6 aluminum castings Centrifugally spun cast iron liners integrally cast to aluminum to provide excellent thermal conductivity Includes Piston Kit and Gaskets 4.125 Bore Made in the USA! Fits TC Modles with 4.375 Stroke Add to Cart Add to Cart Proceed to Checkout Item Added. Adding Item. out of stock! / PreviousNextPausePlayClose