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Fuel Filter, 90 Degree 1/4" OD Barbs Fuel Filter, 90 Degree 1/4" OD Barbs

Fuel Filter, 90 Degree 1/4" OD Barbs. Fits 1/4" ID fuel line

Our Price: $6.10
Fuel Filter, Stainless Steel Element 1/4" Barbs Red Color Fuel Filter, Stainless Steel Element 1/4" Barbs Red Color

Fuel Filter that has a Stainless Steel Element with 1/4" Barbs to fit 1/4" ID fuel line. Red Color

Our Price: $8.30
Fuel Filter, Stainless Steel Element 1/4" Barbs Green Color Fuel Filter, Stainless Steel Element 1/4" Barbs Green Color

Fuel Filter that has a Stainless Steel Element with 1/4" Barbs to fit 1/4" ID fuel line. Green Color

Our Price: $8.30
Fuel Filter, Stainless Steel Element 1/4" Barbs Blue Color Fuel Filter, Stainless Steel Element 1/4" Barbs Blue Color

Fuel Filter that has a Stainless Steel Element with 1/4" Barbs to fit 1/4" ID fuel line. Blue Color

Our Price: $8.30
Fuel Filter, 90 Degree 1/4" OD Barbs (Pack of 3) Fuel Filter, 90 Degree 1/4" OD Barbs (Pack of 3)

Fuel Filter, 90 Degree 1/4" OD Barbs. Fits 1/4" ID fuel line. Pack of 3 filters!

Our Price: $12.95
Fuel Filter, Stainless Steel Element 1/4" Barbs Red Color (2 Pack) Fuel Filter, Stainless Steel Element 1/4" Barbs Red Color (2 Pack)

Fuel Filter that has a Stainless Steel Element with 1/4" Barbs to fit 1/4" ID fuel line. Red Color (sold as a pair)
Save $$$'s with this 2 pack vs. buying in singles!

Our Price: $15.95
Fuel Filter, Stainless Steel Element 1/4" Barbs Green Color (2 Pack) Fuel Filter, Stainless Steel Element 1/4" Barbs Green Color (2 Pack)

Fuel Filter that has a Stainless Steel Element with 1/4" Barbs to fit 1/4" ID fuel line. Green Color

Pack of 2 fuel filters!

Save $$$'s with our 2 pack vs. buying individually!

Our Price: $15.95
Fuel Filter, Stainless Steel Element 1/4" Barbs Blue Color 2 Pack Fuel Filter, Stainless Steel Element 1/4" Barbs Blue Color 2 Pack

Fuel Filter that has a Stainless Steel Element with 1/4" Barbs to fit 1/4" ID fuel line. Blue Color

Pack of 2 filters!

Save $$$'s with our pack of 2 filters vs. buying individually!

Our Price: $15.95
Stainless Steel Intake Valve for 460cc, 40mm Head Stainless Steel Intake Valve for 460cc, 40mm Head

Bullfrog Performance Products stainless steel intake valve fits 460cc big block engines when cylinder head is machined for this valve size. We offer cylinder head machining to install this larger valve into the 460cc cylinder head. The valve head diameter is 40mm, which is 5mm larger than the stock 460cc valve. We highly recommend this valve when using high lift aftermarket racing cams to prevent valvetrain failure.
Be sure to include our billet aluminum or titanium valve spring retainer kit with our valve.

Our Price: $21.95
Stainless Steel Exhaust Valve 33mm Head Diameter GX390 Stainless Steel Exhaust Valve 33mm Head Diameter GX390

Bullfrog Performance Products stainless steel exhaust valve for Honda GX390 engines when valve seat is machined to 33mm valve head diameter. We offer cylinder head machining services to install our 33mm exhaust valve in your cylinder head.
We highly recommend this valve when using high lift aftermarket racing cams to prevent valvetrain failure.
Head Diameter = 33mm
Valve Overall Length = 3.650"
Tip Length = .130"

Be sure to purchase our titanium retainer kit or billet aluminum retainer kit to work with this valve!

Our Price: $21.95
Digital Tachometer Go Kart Off Road Kart LCD Display Tach 0-20,000rpm Digital Tachometer Go Kart Off Road Kart LCD Display Tach 0-20,000rpm

  • Tach/Hour Meter
  • Works on all gas engines
  • Large LCD display with back-light. IP65 Water proof
  • Replaceable battery
  • Max RPM recall, rpm alert, resettable maintenance hours
  • No power required, easy installation, just wrap the black wire around your spark plug cable. 0.5 sec rpm refresh rate. 20000 max rpm. 99999 max hours
  • Will display RPM automatically when engine is running and will display HOURS when engine is off
  • Measurements: 2.5" x 1.25" x 0.75 (65mm x35mm x 15mm)

Our Price: $21.95
Header Kit, GX390 Mud Motor Header w/Muffler Straight Header Kit, GX390 Mud Motor Header w/Muffler Straight

Mud Boat header kit that fits the big block Honda GX240, GX270, GX340, GX390, Predator 420cc and 460cc engines. Our header kit features 1 1/4" O.D. header tube and is TIG welded for best durability. Our header kit includes the following components:

  • Straight header tube to fit mud motor specifically
  • Our custom TIG welded header flange
  • Screw on muffler

Our Price: $36.00
Header Kit, GX390 Mud Motor Header w/Muffler Angled Header Kit, GX390 Mud Motor Header w/Muffler Angled

Mud Boat header kit that fits the big block Honda GX240, GX270, GX340, GX390, Predator 420cc and 460cc engines. Our header kit features 1 1/4" O.D. header tube and is TIG welded for best durability. Our header kit includes the following components:

  • Header
  • Our custom TIG welded header flange
  • Screw on muffler

Our Price: $38.00
2 into 1 Collector for Honda GX670 and Predator 670cc 2 into 1 Collector for Honda GX670 and Predator 670cc

Bullfrog Performance Products V-Twin 2 into 1 collector kit will work with our Honda GX670 / Predator 670cc and Honda GX630/GX690 V-Twin header kits

Our Price: $43.95
Pushrod Kit, Chrome Moly Big Block 6.5" Length x 5/16" OD x 6mm Ball Ends Pushrod Kit, Chrome Moly Big Block 6.5" Length x 5/16" OD x 6mm Ball Ends

Our chrome moly pushrod kit consists of two chrome moly pushrods that fit the big block Honda GX390 style engines.  Our pushrods measure 6.5" in length and are 5/16" OD with 6mm ball ends (factory ball end size).  These pushrods come assembled ready to drop in your big block clone or Honda GX390 racing engine.

Our Price: $44.95
Titanium Valve Spring Retainer Kit Honda GX390 Big Block Titanium Valve Spring Retainer Kit Honda GX390 Big Block

Titanium valve spring retainer kit that fits the big block Honda GX240, GX270, GX340, GX390, 420cc Predator (non-hemi), 460cc Vegas Carts engine (equipped with our stainless steel valves). This titanium valve spring retainer kit includes (2) titanium valve spring retainers and a set of our automotive bead lock style valve locks. Our retainers will fit the single or dual springs out on the market and we also carry them in stock at Bullfrog Performance Products warehouse.

Our Price: $49.95
Carburetor, Mikuni PZ22 Go Kart Mini Bike Performance Carburetor Carburetor, Mikuni PZ22 Go Kart Mini Bike Performance Carburetor

Carburetor, Mikuni PZ22 Go Kart Mini Bike Performance Carburetor

  • Venturi Side Opening: 25mm
  • Choke on Left side with rear facing intake (if your intake faces forward the choke will be on the right side)
  • Bolt Hole Spacing: 48mm
  • Air Filter Side Outer Diameter: 40mm
  • Main Jet: 95
  • idle Jet: 15

Our Price: $59.95
Stainless Steel Valve and Titanium Retainer Kit GX390 Stainless Steel Valve and Titanium Retainer Kit GX390

Our big valve kit for the Honda GX340 / GX390 includes the following components:


  • 40mm head stainless steel intake valve 3.650" length
  • 33mm head stainless steel exhaust valve 3.650" length
  • Titanium valve spring retainers
  • Automotive bead lock style valve locks
Our kit does require your head to be machined to fit these valve head sizes. We do offer cylinder head machining at our facility and can machine your cylinder head or purchase a fully machined cylinder head from us ready to go.

Our Price: $64.95
Mud Motor Exhaust Header for Honda GX390, Predator 420cc Big Blocks Mud Motor Exhaust Header for Honda GX390, Predator 420cc Big Blocks

Long tube loop exhaust header for the Honda GX340, GX390, 420cc Predator, 460cc big block clone engine for mud motor boat application. Header pipe give your engine more low to mid range torque specifically for mud motor boats.

Our Price: $69.95
Hot Coil for Honda GX390 Big Block Clone Hot Coil for Honda GX390 Big Block Clone

Bullfrog Performance Products Hot Coil is designed for the Honda GX340, GX390 and Big Block Clone racing engines that need that hotter spark for your racing engine.  Our coil and wire package has a built-in capacitor that boosts the spark at your plug for increased throttle response and power!

Our Price: $79.95
Bullfrog Torq-N-Rev Big Block Billet Connecting Rod GX390 4.450" Length Bullfrog Torq-N-Rev Big Block Billet Connecting Rod GX390 4.450" Length

Bullfrog Performance Products billet connecting rod fits Honda GX340, GX390, 420cc clone, 440cc clone and 460cc big block engines.  Our Torq-N-Rev billet connecting rod is CNC machined from 7075 T-6 billet aluminum and includes babbit rod bearing set and ARP rod bolts and washers. This billet rod is 4.450" center to center length.  Heavy duty rod cap and beam design for the most extreme engine setups.  Fits stock piston pin or aftermarket pistons with the standard piston pin diameter.

Our Price: $223.00
Sale Price: $179.95
Savings: $43.05
Bullfrog Torq-N-Rev Billet Connecting Rod, Honda GX390 4.650" +.200" Longer Than Stock Bullfrog Torq-N-Rev Billet Connecting Rod, Honda GX390 4.650" +.200" Longer Than Stock

Bullfrog Performance Products Torq-N-Rev billet connecting rod is manufactured from billet 7075 T-6 aluminum.  Our billet connecting rod includes rod bearings and setup with ARP rod bolts. Our billet rod is +.200" longer than stock length of 4.650" center to center length.  Works with our forged big block piston kits with .900" compression height.

Our Price: $223.00
Sale Price: $179.95
Savings: $43.05