Engine

The M8 engines come with oil coolers that circulate oil to the heads with majority of the oil returning to the stock oil cooler. Harleys stock oil cooler simply is not enough to keep the M8s from overheating in traffic and city riding. The side Mount...

Hot .584" lift cam for upgraded engines 103" to 107" Cubic Inch. Ported heads with minimum 10:1 compression recommended. Delivers constant power while reducing detonation. Free-flowing air cleaner and performance exhaust recommended. Uses stock valve...

Peak performance at 1500 to 5800 rpm. Stock compression ratio or up to 10:1. Best power with free-flow air cleaner and performance exhaust. Powerful cruising bolt-in cam. Uses stock valve springs. Recommended engine sizes 88" to 107" above average...

OEM Style valve keepers

KPMI Red Viton® valve stem seals are designed to have optimum fitment, allow for maximum lift, and to give maximum life. KPMI Red valve stem seals are resistant to high temperatures, petroleum products and by-products of combustion. They retain their...

Kpmi Guide Intake Std Hd Sportster 57-83 20-2320C

Kpmi Guide Intake +0.003 Bronze Hd Pan 48-65 & Shovel 66-77 20-2023

Kpmi Guide Intake +0.002 Bronze Hd Shovelhead 78-83 20-2052

Kpmi Guide Intake +0.001 Bronze Hd Pan 48-65 & Shovel 66-77 20-2021

Kpmi Guide Intake +0.001 Bronze Hd Evo 84-99 Sportster 86-03 20-2121

Kpmi Guide Ex +0.002 Bronze Hd Shovelhead 78-83 20-2062

Made from rugged die-cast aluminumChrome, Black and Satin black finished availableNo hardware includedNarrow profile primary slim the profile of the motorcycle for sleek lookNarrow primary allows shorter riders to have better footing when backing in or...