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CUSTOM PERFORMANCE ENGINES & ACCESSORIES

We also specialize in custom performance engine packages for many applications including go karts, mini bikes, lawnmowers, mud motors, golf carts or anything you need a performance engine for. Our brands include our Pro-Velocity induction and exhaust systems, Optimizer valvetrain systems and Torq-N-Rev cranks and rods

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GX390 Big Block Bored Carburetor 23.5mm Venturi GX390 Big Block Bored Carburetor 23.5mm Venturi
List Price: $171.35
Our Price: $149.00
Ported and Polished Honda GX390 Aftermarket Cylinder Head Package Ported and Polished Honda GX390 Aftermarket Cylinder Head Package
List Price: $327.75
Our Price: $285.00
Sale Price: $256.50
Billet Intake Manifold 38mm Super BN Carburetor to Honda GX390 Billet Intake Manifold 38mm Super BN Carburetor to Honda GX390
List Price: $66.70
Our Price: $58.00
Sale Price: $52.20
High Performance Air Filter Kit for Honda GX390 w/Outerwears High Performance Air Filter Kit for Honda GX390 w/Outerwears
List Price: $79.24
Our Price: $68.90
Sale Price: $62.01
Air Filter Adapter for Mikuni 38mm Super BN Carburetor Air Filter Adapter for Mikuni 38mm Super BN Carburetor
List Price: $38.95
Your Price $27.50
Sale Price: $19.95
Retainer Kit, Billet Valve Spring Retainer Kit for Honda GX390 Retainer Kit, Billet Valve Spring Retainer Kit for Honda GX390
List Price: $29.21
Our Price: $25.40
Sale Price: $22.86
Air Filter, 10 Degree Angled 4" Length x 2 3/4" ID Air Filter, 10 Degree Angled 4" Length x 2 3/4" ID
List Price: $20.13
Our Price: $17.50
Sale Price: $15.75
Stainless Steel Exhaust Valve 31mm Head for Honda GX390 Stainless Steel Exhaust Valve 31mm Head for Honda GX390
List Price: $25.88
Our Price: $22.50
Sale Price: $20.25
Engine Mount, 440cc & 460cc Big Block, Top Mount Engine Mount, 440cc & 460cc Big Block, Top Mount
List Price: $68.94
Our Price: $59.95
Sale Price: $53.96



New Products

Crankcase Cover Gasket and ARP Bolt Kit 460cc 10 Bolt
Our Price: $59.50
Forged Piston Kit, 95mm Bore 1.100" Compression Height Big Block GX390
Our Price: $249.00
Keychain, Remove Before Flight
Our Price: $2.99
Crankcase Cover Gasket and ARP Bolt Kit Honda GX340, GX390
Our Price: $59.50
Oil Filter for Vegas Carts 625cc Engine
Our Price: $12.95