S&S® Forged 3 5/8" Bore Piston For 1936-'84 OHV Big Twins - +.030" NATIVE CUSTOM BAGGERS The cylinders are machined with

The cylinders are machined with the stock bolt pattern and are intended for use in stock crankcases of 1999-'06 big twin engines

Keppers for 199-17 TC Models

4-5/8" Stroke

A2DP and AVRCP Bluetooth® Wireless Streaming

Hours are invested in production of the Whistler from its origin as a solid block of forged 6061 aluminum alloy which delivers added strength and beauty

S&S® Forged 3 5/8" Bore Piston For 1936-'84 OHV Big Twins - +.030" NATIVE CUSTOM BAGGERS The cylinders are machined withThese forged 3 5 8" bore stroker piston replaces several cast and forged big bore pistons that S&S previously offered. Applications for this piston include 88" (4 1 4" stroke), 93" (4 1 2" stroke), and 96" (4 5 8" stroke) engines with stock 8 1 2" diameter flywheels, and 98" (4 3 4" stroke) and 103" (5" stroke) engines with 8 1 4" small diameter flywheels. As with the new stock bore stroker piston, the modern metallurgy and advanced skirt profiles