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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
Copper Head Gasket, 95mm Bore .021" Thick Copper Head Gasket, 95mm Bore .021" Thick

Copper head gasket that fits our 95mm Big Block Honda Clone blocks and is .021" thick.

Our Price: $18.00
Copper Head Gasket 95mm Bore .032" Thick Copper Head Gasket 95mm Bore .032" Thick

Copper head gasket fits our 95mm Big Block Honda Clone blocks and is .032" thick.

Our Price: $18.00
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
95mm Head Gasket for Big Block Engines 95mm Head Gasket for Big Block Engines

Victor Reinz performance head gasket specifically designed for Bullfrog Performance Products.  Our head gasket fits our 95mm bore big blocks and is Made In USA!.  Our head gasket has a 95mm bore and is .043" thick.  Our new style head gaskets will not come with the oil hole located on the side of the gasket.  If you need an oil hole the gasket can be drilled to size if need be.

Our Price: $25.00
96mm Head Gasket for Big Block Engine (No Oil Feed Hole) 96mm Head Gasket for Big Block Engine (No Oil Feed Hole)

Victor Reinz performance head gasket specifically designed for Bullfrog Performance Products.  Our head gasket fits 96mm bore big blocks and is Made In USA!.  Our head gasket has a 96mm bore and is .043" thick and does not have the oil feed hole made into gasket.

Our Price: $25.00
Shaft Mounted Stamped Steel Rocker Arm Set Big Block Shaft Mounted Stamped Steel Rocker Arm Set Big Block

A Shaft-Rocker eliminates the need for a guideplate and prevents the rocker arms from walking side-side. Furthermore, they have considerably more ridgidity than stud rockers.
These have a
1.1:1 Ratio and includes the studs and nuts to install the rockers in your engine.

List Price: $45.98
Our Price: $17.95
Sale Price: $35.98
Savings: $28.03
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
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
Engine Refresh Kit, 500cc Big Block Engine Refresh Kit, 500cc Big Block

Engine refresh kit for 500cc big block Honda engines with our 95mm bore piston, billet connecting rod and 10 bolt side cover cylinder block. Includes the following parts to refresh your engine:

  • Crankshaft oil seals
  • 95mm piston ring set
  • ARP rod bolt set
  • Oil drain plugs
  • Rod bearing set
  • Side cover gasket (10 bolt)
  • Victor Reinz head gasket
  • Valve cover gasket
  • Dipsticks
  • Intake gasket
  • Air filter adapter gasket
  • Copper header gasket
  • Fiber type header gasket
  • Insulator gasket

Our Price: $139.95
Billet Valve Cover, Honda GX390 Big Block w/Cooling Fins Billet Valve Cover, Honda GX390 Big Block w/Cooling Fins

Our billet valve cover for the big block engine features our unique integral cooling fins for additional valve spring chamber cooling. Our billet valve cover is the lightest cover on the market and includes a reed valve system built into the cover design. You can throw away your stock valve cover gasket as our cover comes with an o-ring seal that promotes better clamping force and eliminates oil leaks. The other billet valve covers on the market do not have the machining time put into their valve cover to make them work as a bolt on piece. Our cover is taller than the factory valve cover so it will clear any roller rocker arm on the market. You will also receive our custom machined aluminum crankcase breather fittings.

Bullfrog Performance Products billet valve cover fits big block engines listed below:

  • Honda GX240
  • Honda GX270
  • Honda GX340
  • Honda GX390
  • Powerhorse 414cc
  • Vegas Carts 460cc
  • LCT 414cc
Our big block billet valve cover will only fit the wedge style head and it will not fit the hemi heads on Predator 420cc.

Our Price: $149.95
Forged Piston Kit, 95mm Bore 1.100" Compression Height Big Block GX390 Forged Piston Kit, 95mm Bore 1.100" Compression Height Big Block GX390

Our 95mm bore big block forged piston kit is designed for our 95mm big bore blocks.  Our piston has a 1.100" compression height and fits ARC Racing 4.410" or 4.450" billet connecting rods.

Our Price: $249.00
Forged Piston Kit, 99mm Bore 1.100" Compression Height Big Block GX390 Forged Piston Kit, 99mm Bore 1.100" Compression Height Big Block GX390

Our 99mm bore big block forged piston kit is designed for our 99mm big bore blocks.  Our piston has a 1.100" compression height and fits ARC Racing 4.410" or 4.450" billet connecting rods.

Our Price: $279.00