Honda GX390 Race Engine. Highest quality Big Block available.

Engine includes:

• Open Element Air Filter Assembly,
• Removal of governor,
• Advanced Timing,
• Billet Steel Rocker Arms
• Billet Rod
• Billet Flywheel
  
• UT1 Coil (w/o Rev Limiter)
• Full Ported & milled Head,
• SS Valves (OS on intake)
• Aluminum Retainers & keepers
• Dual Springs (Single with TQ cams)
• Choice of cams
• Chrome Moly Pushrods
• ARP Bolt Kit
• Choice of Carbs
• Dyno Tested

Options

• Roller Rockers
• Mikuni Carbs
• 90mm Bore
• Small Diameter Flywheel
• PVL Ignition
  
• Stroker Crankshafts
  
  

Engine Size Options:

88mm (Std) Bore, Stock Stroke : 390cc

88mm (Std) Bore, +.160” Stroke : 414cc

88mm (Std) Bore, +.200” Stroke : 420 cc

90mm Bore, Stock Stroke : 407cc

90mm Bore, , +.160” Stroke : 433cc

90mm Bore, +.200” Stroke : 440cc

Filter should be sprayed with K&N type oil, especially in dirt applications. Oil not included click here.

Billet Stokers cranks come with balance shaft

Engines are built to order and take approx 4 to 6 weeks