US 820 Performance Upgrades

Billet Cylinder Head Stroker 1.82"

$159.99

$159.99

Only a few left!

Billet Cylinder Head Standard Stroke

$159.99

$159.99

Copper Head Gasket .032” for US820/610

$15.99

$15.99

Copper Head Gasket .021” for US820/610

$14.99

$14.99

Only a few left!

Performance Reed Kit Full Fiber Reeds

$16.95

$16.95

Performane Reed Kit Split Fiber Reeds

$14.95

$14.95

Performance Reed Valve Assembly Split Fiber Reed US 820/610

$43.95

$43.95

Performance Reed Valve Assembly Full Fiber Reed US 820/610

$49.95

$49.95

Crankshaft Needle Bearing Set Of 28

$42.95

$42.95

Boost Ported Single Ring Piston Assembly US 820 Standard bore

$187.95

$187.95

High Strength Connecting Rod Bolt Set Of 2

$44.99

$44.99

Single Ring Piston For US 820 ( Standard Bore )

$83.95

$83.95

Only a few left!

Air Filter Kit W/ Cup

$49.95

$49.95

Billet Transfer Port Cover For US820,610 West Bend 820,610 Engine

$25.99

$25.99

Venturi ring / starter screen

$19.99

$19.99

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

Ported Cylinder w/standard bore

$324.99

$324.99