Left Hand Front 4 Piston Caliper - Chrome. Fits many Big Twin & Sportster 1984-1999 Models with 11.5in. Disc Rotor. - Performance Machine Dyna Dual Seats Anything more than that would

Anything more than that would become extremely sensitive to timing

this kit is designed to exceed the needs of high performance engines

* Each tooth change in belt length = + /–

* Performance Machine 125x4B Classic Caliper

Left Hand Front 4 Piston Caliper - Chrome. Fits many Big Twin & Sportster 1984-1999 Models with 11.5in. Disc Rotor. - Performance Machine Dyna Dual Seats Anything more than that wouldFitment Details: * Fits Softail Models 1984 1999 (excluding Springer Models) * Fits FXWG 1984 1986 & FXDWG 1993 99 * Fits FXR, FXD & Sportster Models with OEM Mag Wheel. * Fits Touring Models 1984 1999 Features & Benefits: * Chrome plated * 137x4B Differential Bore Caliper * Differential bore technology has been applied to these performance 4 piston calipers. Precision CNC machined from billet aluminium, making them the most powerful and stylish