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Performance Parts

35lb HD Valve Springs

35lb HD Valve Springs

$19.99

24mm Bored 3-Circuit Carb for the GX390 & 420/440/460 Clones

24mm Bored 3-Circuit Carb for the GX390 & 420/440/460 Clones

$49.99

"Champion" HD Shaft Rockers for GX390 / GX420 / GX440/ 460cc Clones

"Champion" HD Shaft Rockers for GX390 / GX420 / GX440/ 460cc Clones

$29.99

$23.99

Performance Air Filter & Billet Adapter

Performance Air Filter & Billet Adapter

$49.99

Heavy Duty Chromoly Pushrods

Heavy Duty Chromoly Pushrods

From $39.99

32mm Billet Intake Manifold / Adapter

32mm Billet Intake Manifold / Adapter

$42.99

Adjustable Tuned Carb for the GX390 & 420/440 Clones

Carburetor for the GX390 & 420/440cc Clones

$39.99

$14.99

Billet Connecting Rod - 4.510"

Billet Connecting Rod - 4.510"

$149.99

High-Torque Camshaft for GX340/GX390 & 420/440 Clones

High-Torque Camshaft for GX340/GX390 & 420/440 Clones

$49.99

Replacement Rod Bearings for Billet Rod - GX340/390 & 420/440/460 Clones

Replacement Rod Bearings for Billet Rod - GX340/390 & 420/440/460 Clones

$25.99

Studs for Champion Rockers

Studs for Champion Rockers

$9.99

55lb HD Dual Valve Springs

55lb HD Dual Valve Springs

$24.99