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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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Featured




Foam Air Pre-Filter Kit 3.5" ID x 5" Length (Pack of 5) Foam Air Pre-Filter Kit 3.5" ID x 5" Length (Pack of 5)
List Price: $28.69
Our Price: $24.95
Sale Price: $22.46
Billet Valve Cover, Honda GX390 Big Block w/Cooling Fins Billet Valve Cover, Honda GX390 Big Block w/Cooling Fins
List Price: $172.44
Our Price: $149.95
Sale Price: $134.96
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 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
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
Head Gasket, 93mm Bore for 440cc and 460cc Engines Victor Reinz Head Gasket, 93mm Bore for 440cc and 460cc Engines Victor Reinz
List Price: $18.34
Our Price: $15.95
Sale Price: $14.36
minibike engine mounting plate Engine Mounting Plate, Predator 212cc to Minibike
List Price: $57.44
Our Price: $49.95
Sale Price: $44.96
High Performance Air Filter Kit for Honda GX390 High Performance Air Filter Kit for Honda GX390
List Price: $63.19
Our Price: $54.95
Sale Price: $49.46
Tachometer, Vegas Carts 0-8000 RPM Tachometer, Vegas Carts 0-8000 RPM
List Price: $57.44
Our Price: $49.95
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
Copper Head Gasket, Predator 670cc 80mm x .032" Thick Copper Head Gasket, Predator 670cc 80mm x .032" Thick
List Price: $23.71
Our Price: $20.62
Sale Price: $18.56
Magnetic Oil Drain Plug, Honda GX390 Magnetic Oil Drain Plug, Honda GX390
List Price: $13.74
Our Price: $11.95
Sale Price: $10.76
96mm Head Gasket for Big Block Engine (No Oil Feed Hole) 96mm Head Gasket for Big Block Engine (No Oil Feed Hole)
List Price: $28.69
Our Price: $24.95
Sale Price: $22.46
3 Stage Header for 420cc Big Block Engines 3 Stage Header for 420cc Big Block Engines
List Price: $58.95
Your Price $44.95



New Products

Forged Piston Kit, 95mm Bore 1.100" Compression Height Big Block GX390
Our Price: $249.00
Keychain, Remove Before Flight
Our Price: $2.99
Forged Piston Kit, 99mm Bore 1.100" Compression Height Big Block GX390
Our Price: $279.00
Fuel Pump, High Performance Aluminum Body Pulse Fuel Pump
Our Price: $39.99
Crankcase Cover Gasket and ARP Bolt Kit 460cc 10 Bolt
Our Price: $59.50