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S&S 900-1084 Forged Roller Rocker Arms for M8 Models, 1.640:1 Ratio
Big lift cams can open up the high rpm potential of the M8 powerplant, but they can also cause their own issues due to the extra stresses and stock valvetrain geometry. Excessive valve thrust and valvetrain wear drove S&S engineers to design stronger, more durable components that will help you get the most out of your M8. S&S Forged Roller Rocker arms for M8 models are stronger, more durable and easier on the rest of your valvetrain, and are essential for increasing the longevity of your valvetrain components on cams with greater than .550″ lift.
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Ride in, Roll Out oil change service at the 80th Sturgis Motorcycle Rally featuring Lucas Motorcycle Oil Products
T-MAX TECH SUPPORT
Zipper’s and Thunder Heart Performance have teamed up to develop the ThunderMax EFI Controller, a complete stand-alone replacement Engine Control Module (ECM)! When we began designing the ThunderMax EFI controller, we had one main goal in mind—overcome the limitations of the stock system. The ThunderMax EFI eliminates the requirement of any add-on tuning products and was developed with complete versatility in mind. Our system utilizes a very fast, powerful processor which allows a higher resolution of tuning points than any of the other popular add-ons, including the factory’s Race Tuner® software. These points of adjustment are ALL addressed during the creation of our base maps and are the key to unlocking a bikes potential.
All processors use a look-up table to deliver the specified amount of fuel and spark timing for a …
TUNING 101- FREQUENTLY ASKED QUESTIONS
What is a Dyno? A big expensive tool! Think of it as a way to ride a motorcycle and diagnose problems without the worry of being run over by a minivan. Air fuel ratios can be recorded and changed as the bike is tested. Horsepower and torque can be measured on a chassis dyno at the rear wheel. An eddy current electro-magnetic brake can be used to vary the load on the engine simulating real life riding conditions.
What is the difference between a “canned map” and a custom map? A canned map from the Dynojet website or disc is generic maps that were created with the idea that all bikes are created equal. Every bike has different characteristics. Even with the same parts installed. Having a custom map built by a professional tuner will make the bike smoother, cooler and overall more fun to ride.