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S&S Cycle

S&S Cycle 540 Cam Chest Kit for Harley

The Indian Larry Twisted Frame Chopper | J&P Custom Motorcycle Builds

Gear Drive Cam

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S&S 540C/G Cam Chest Kit For Harley

Features:

The 540 is designed to work with the S&S 124” and 128” big bore kits
Kits include cam, oil pump, cam plate, pushrods, pushrod tubes, tappets, tappet cuffs, valve springs, top and bottom collars, keepers, and seals
Gear drive kits include drive gears
Made in the USA

Oil Pump/Cam Plate Info:

Precision machined from billet aluminum
Passage plugs removable for servicing
Independent scavenge sections for flywheel cavity and cam chest
Debris screens in both scavenge pickups
Magnet in cam chest to help stop debris from entering oil pump
44% flow increase on supply side and 58% on scavenge side
Pressure relief valve is adjustable with unit installed

540 Cam Info:

Front Intake open/close 17.7°/30.6°
Front Exhaust open/close 21.2°/33.9°
Rear Intake open/close 14.9°/28.7°
Rear Exhaust open/close 37.7°/26.9°

Front Intake duration 228.3°
Rear Intake duration 223.6°
Front Exhaust duration 235.1°
Rear Exhaust duration 244.6°
Intake Lift .540"
Exhaust Lift .540"

Front Intake Lobe Center Line 96.4°
Front Exhaust Lobe Center Line 83.6°
Rear Intake Lobe Center Line 96.9°
Rear Exhaust Lobe Center Line 95.4°

Front Intake Lift at TDC .175"
Front Exhaust Lift at TDC .262"
Rear Intake Lift at TDC .161"
Rear Exhaust Lift at TDC .216"

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