US 820 Performance Upgrades
Billet Cylinder Head Standard Stroke
$159.99
$159.99
Copper Head Gasket .032” for US820/610
$15.99
$15.99
Performance Reed Kit Full Fiber Reeds
$16.95
$16.95
Performane Reed Kit Split Fiber Reeds
$14.95
$14.95
Crankshaft Needle Bearing Set Of 28
$50.00
$50.00
Boost Ported Single Ring Piston Assembly US 820 Standard bore
$245.00
$245.00
High Strength Connecting Rod Bolt Set Of 2
$44.99
$44.99
Ported Single Ring Piston For US 820 ( Standard Bore )
$115.95
$115.95
Single Ring Piston For US 820 ( Standard Bore )
$95.00
$95.00
Air Filter Kit W/ Cup
$49.95
$49.95
Venturi ring / starter screen
$19.99
$19.99
Air Filter Cup Adapter W/Hardware
$23.95
$23.95
Air Filter 2-5/8" inlet Clamp on
$25.99
$25.99
Air filter adapter cup w/ Bellmouth
$23.99
$23.99
Air Filter Kit W / Bellmouth Offset
$49.95
$49.95
Air Filter Kit centered bellmouth
$49.99
$49.99
