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11.5 : 1  Compression with XB or Lightning (11:1 Compression with Thunderstorm)
Premium NPR 1mm/1.2mm/2.8mm Oil Ring Pack
Accomodates 2.000" Intake  and 1.610 Exhaust Valves
Intake 27-degrees @ .200 and Exhaust 31-degrees @ .175 pocket depths

10cc 15-degree Sportster 3.159 Bore Piston

$395.00Price
Quantity
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