Product Description
For the Briggs flathead opposed twin engines models 42 and 46. Like all our billet flywheels, it is SFI certified. It weighs 8 lbs and is stock diameter. Material has been removed from the backside of the flywheel near the rim, reducing rim weight for faster acceleration. It uses the stock coil without the need for any offset coil bracket. You should be able to simply remove your stock flywheel and replace it with this one. When using a straight key, the ignition timing is set at 19° BTDC when the adjustable hub's index mark is set to the negative side of the scale. Each tick mark on the scale toward the positive side is 2°, giving you the ability to quickly and easily advance timing. Some block modification may be required.
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made a big difference
the quality of this product is extremely well built . The staff at arc racing are very supportive of their customers . I will be doing business with them again soon
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Billet Insurance
This flywheel is worth its weight in gold, as safety in racing is first and foremost. This product will save many injuries or even possible deaths. I always insist an ARC bileet flywheel be used when building engines for my customers.
