13:1 Compression with XB or Lightning (12.2 : 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 at .200 and Exhaust 31-degrees at .175 pocket depths
18cc 15-degree Sportster 3.525 Bore Piston Set
$395.00Price