Power Gainz
S&S just released the details on their new 131 CI stroker kit, aimed at bringing massive power upgrades to the highly successful Harley-Davidson Milwaukee Eight big twin engine.
S&S has been hard at work trying to establish themselves as the #1 parts supplier for the new H-D M8 engine. A few months ago, they delivered a big cam-shaft upgrade that boosted the crap out of the power numbers when compared to the M8 in stock form. This new upgrade kit takes that cam-shaft upgrade and cranks the power dial to eleven with the addition of a ton of new parts.
This kit takes the cam-shaft upgrade and brings new 4.25-inch cylinder heads with the pistons, rings, and gaskets to support the bore and shaft.
The company claims that these kits are built with higher quality parts and materials than what you would find in a Milwaukee Eight fresh out of the Harley-Davidson factory, so if you’re worried about sacrificing reliability for performance that shouldn’t be an issue with this kit.
With the crank kit as well, you should see the power numbers going through the roof. As per S&S’ official dyno sheets, these kits when used together took the stock 81 horsepower engine (111 lb-ft of torque) and skyrocketed the numbers to 146 horsepower and 145 lb-ft of torque. Not only is that a massive upgrade from the stock engine, but it will also give you the power to rival most high-end high-power cruisers available on the market today.
This kit comes in three different variations (visual differences) and they are all available for $1,299.95 from the S&S website. As I said before, this kit will require the crank kit that is sold separately for an additional $1,529.95.
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