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GX160 & GX200 PERFORMANCE PARTS

 

Air Filter Adaptor
Code: AGK100
Price: $14.00
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Precision CNC machined air filter adaptor. Fits GX120, GX140, GX160 & GX200. Adaptor has chamferred slots on carb mating surface which mirror the stock design. You will not find this feature in other air filter adaptors. The center bore incorporates a venturi design for more air velocity. Accepts filter with a 2 7/16" ID.

Carburetor Adaptor With Pulse Fitting
Code: AGK202
Price: $44.00
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Carburetor adaptor with pulse fitting. This adaptor will bolt up to a GX160 or a GX200. You can use either a Mikuni carburetor or a GX390 carburetor with this adaptor. The adaptor is CNC machined from billet aluminum with a "D" port on the head side that blends into a round port on the carburetor side. See our "how to" section to learn how to create a curved manifold using this carburetor adaptor.

Carburetor Adaptor With Pulse Fitting & 22mm Mikuni
Code: AGK202-AGK722
Price: $89.00
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Carburetor Adaptor With Pulse Fitting & 22mm Mikuni. Perfect for mild to wild engine combinations using stock sized exhaust and intake valves. Over a 1 1/2hp increase has been reported with some engine combinations. See our "how to" section for a Mikuni carburetor tuning manual. Learn how to create a curved manifold using this carburetor adaptor. Hardware included.

22mm Mikuni Carburetor
Code: AGK722
Price: $49.00
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This high quality Mikuni carburetor works great on modified GX160's and GX200's. This carburetor offers more horsepower and torque over the Honda carburetors along with the adjustability of a performance carburetor. The 22mm bore is a perfect match for the stock intake valve/valve seat. Easy to install due to Mikuni's simple throttle cable setup. See the "how to" section for a free tuning manual.

Carburetor Adaptor With Pulse Fitting, 22mm Mikuni & Air Filter
Code: AGKCARBKIT4
Price: $105.00
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Perfect for mild to wild engine combinations using stock sized exhaust and intake valves. Over a 1 1/2hp increase has been reported with some engine combinations. See our "how to" section for a Mikuni carburetor tuning manual. Learn how to create a curved manifold using this carburetor adaptor. A must have for big horsepower and high rpm applications.
Hardware included.

Carburetor Adaptor With Pulse Fitting, GX390 Carb, Insulator, Gaskets, Air Filter Adapter & Air Filt
Code: AGKCARBKIT2
Price: $125.00
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Carburetor Adaptor With Pulse Fitting, GX390 Carb, Insulator, Gaskets, Air Filter Adapter & Air Filter. The GX390 carburetor is the perfect upgrade for those who are looking for more horsepower, torque and rpm while maintaining the OEM design of the stock Honda carburetor. At 21mm, the GX390 carburetor is a great modification for GX160's and GX200's. See our "how to" section to learn how to create a curved manifold using this carburetor adaptor. Hardware included.

Header Flange
Code: AGK600
Price: $10.50
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This header flange fits GX160's & GX200's. Build your own high flow header using our CNC'd header flange. The flange has a "D" port on one side matching the cylinder head "D" port. The "D" port blends into a round bore on the other side of the flange. The round bore is recessed to accept tubing with a 1" OD and 7/8" ID. You get one flange for the listed price.

Straight Header, Single Stage
Code: AGK660
Price: $38.00
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Our high flow headers have unique flanges with a "D" port on the engine side that blends into a round port, matching the header tubing. Our flanges are precision CNC'd not stamped. 1" OD tubing. Installed View

Header Tube, DIY, Straight
Code: AGK661
Price: $14.50
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Build your own header with our bent header tube. Tubing is 19" in length, 1" OD and 1/16" wall thickness. Tubing has a 90* bend just like AGK's straight headers.

Straight Header, Two Stage
Code: AGK662
Price: $44.00
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Our high flow headers have unique flanges with a "D" port on the engine side that blends into a round port, matching the header tubing. Our flanges are precision CNC'd not stamped. First stage is 1" OD and second stage is 1 1/8" OD. Installed View

Header Kit, DIY, Straight
Code: AGK661-AGK600
Price: $25.00
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Build your own header with our bent header tube and CNC flange. Tubing is 19" in length, 1" OD and 1/16" wall thickness. Tubing has a 90* bend just like AGK's straight headers.

Straight Header, Two Stage With Muffler
Code: AGK664
Price: $57.00
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Our high flow headers have unique flanges with a "D" port on the engine side that blends into a round port, matching the header tubing. Our flanges are precision CNC'd not stamped. We use a Briggs muffler which provides a reasonable decibel level and good flow for even our highly modified engines. Installed View

Candy Cane Header, Single Stage
Code: AGK680
Price: $38.00
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Our high flow headers have unique flanges with a "D" port on the engine side that blends into a round port, matching the header tubing. Our flanges are precision CNC'd not stamped. 1" OD tubing. Installed View

Header Tube, DIY, Candy Cane
Code: AGK681
Price: $14.50
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Build your own header with our bent header tube. Tubing is 19" in length, 1" OD and 1/16" wall thickness. Tubing has a candy cane bend just like AGK's candy cane headers.

Candy Cane Header, Two Stage
Code: AGK682
Price: $44.00
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Our high flow headers have unique flanges with a "D" port on the engine side that blends into a round port, matching the header tubing. Our flanges are precision CNC'd not stamped. First stage is 1" OD and second stage is 1 1/8" OD. Installed View

Header Kit, DIY, Candy Cane
Code: AGK681-AGK600
Price: $25.00
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Quantity in Basket: none
Build your own header with our bent header tube and CNC flange. Tubing is 19" in length, 1" OD and 1/16" wall thickness. Tubing has a candy cane bend just like AGK's candy cane headers.

Candy Cane Header, Two Stage With Muffler
Code: AGK684
Price: $57.00
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Our high flow headers have unique flanges with a "D" port on the engine side that blends into a round port, matching the header tubing. Our flanges are precision CNC'd not stamped. We use a Briggs muffler which provides a reasonable decibel level and good flow for even our highly modified engines. Installed View

Muffler, Universal
Code: AGK688
Price: $10.50
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Universal muffler works great for stock and mild motors. This muffler is much quieter than the RLV silencers we sell. 3/4" threaded pipe end. Welding or some other method is required to install. Canister is 5" long (6 1/4" including threaded end) and 2" in diameter. Good flow, low price and great performance.

Header Brace
Code: AGK770
Price: $5.50
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Headers are subject to tremendous heat and a lot of vibration. This header brace kit will help prolong the life of your header under these conditions. The 6.5hp engines have a drilled and tapped hole on the side of the cylinder head. This is a perfect place to mount the brace with the provided bolt/washer. Use the hose clamp to secure the brace to the header.

Guide Plate
Code: AGKBGP
Price: $8.00
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Guide plate, laser cut, u-shaped pushrod opening for easier tuning. Use when installing the stamped ratio rockers.

Lash Caps HP
Code: AGKBLC
Price: $9.00
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Lash caps for high performance applications. Light weight, hardened lash caps for use with stainless steel valves and roller rockers. Also use on stock valves to help prevent side loading. Sold in pairs.

1.2 Ratio Rocker Arms
Code: AGKBRA12
Price: $20.00
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Works great with stock and mild cams. Stamped, stock appearing rocker arms. Use with 26lb or lighter springs. Achieve more valve lift and increase horsepower. Rocker arms are stamped and fall between 1.2 & 1.3 ratio. Use laser cut pushrod guide plate or modify your stock guide plate for clearance. Rocker arms are sold as a pair.

1.3 Ratio Rocker Arms, Billet
Code: AGKBRA12C
Price: $137.00
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Billet 1.3 ratio rocker arms. Kit includes 1.3:1 ratio billet steel rocker arms, heavy duty billet steel rocker studs, lash caps, rocker pivots, adjuster nuts, set screws and a billet steel guide plate. Quality rocker arm set. Some applications require the rocker stud post to be milled down approximately .120". Installation instructions included.

Valve Spring Shim .060
Code: AGKBSHIM60
Price: $1.95
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.060" shim for increased spring pressure.

Grade 10.9 Bolt & Stud Kit with Washers & Dowel Pins
Code: AGKBSK
Price: $25.00
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Fits GX160 & GX200.
The stock side cover and head bolts are grade 5 and will stretch causing flex and misalignment between parts. The grade 10.9 bolts and studs are much stronger. This kit includes studs for the cylinder head and bolts for the side cover. We use bolts on the side cover because the studs will interfere with the chain guard and chain. Highly recommended for big horsepower and high rpm applications.

Cam, CL2
Code: AGKCAMCL2
Price: $35.00
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Box Stock Ground Cam. The latest and greatest in BSP cams. Use when stock cam required. Lift is .224" in. and .230" ex. Duration is 219.5 in. and 222.5 ex. Use with stock valve springs and stock timing.

Cam, Custom Ground .242" Lift
Code: AGKCAM242
Price: $149.00
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This precision ground cam is a great step up from the stock cam. Hard face welding is used on the lobes to reduce wear. Great low end torque for small tracks. Use with 1.2 ratio rockers and achieve .291" valve lift. This is our smallest racing cam, but it packs a powerful punch on low end torque over a stock cam.

Cam, Custom Ground .265" Lift
Code: AGKCAM265
Price: $50.00
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This is a .265" lift Dyno cam. This cam is designed for use with a stock carburetor. Duration is 226 on the intake and 236 on the exhaust. No block clearance needed for this cam. Drop in and go! 18lb valve springs recommeded. This is our best bang for the buck, top choice.

Cam, Custom Ground .265" Lift, Modified
Code: AGKCAM265M
Price: $50.00
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This is a .265" lift Dyno cam. This cam is designed for use with larger than stock carburetors. Duration is 236 on the intake and 236 on the exhaust. No block clearance needed for this cam. Drop in and go! 18lb valve springs recommeded. This is our best bang for the buck, top choice.

Cam, Custom Ground, .270" lift
Code: AGKCAM270
Price: $149.00
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This cam has .270" lift and 246* duration @ .050" lift. This is great cam for for small to mid sized tracks. Cam pulls hard off the corner with a little less top end compared to the higher lift cams. Use 26lb valve springs and a larger than stock carb. Upgraded valve train is required.

Cam, Custom Ground .275" Lift
Code: AGKCAM275
Price: $100.00
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This cam has .275" lift and 238.5* duration @ .050" lift. Very strong cam that works well in several different applications! Cam pulls hard all the way through the power band. Excellent choice when using stock size valves and a good carburetor. Upgraded valve train required. This cam also meets the .275" max lift rule for classes with .275" max lift.

Cam, Custom Ground .276" Lift
Code: AGKCAM276
Price: $149.00
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Custom Ground .276" Lift Cam with 246* duration @ .050" lift. This is a great cam with excellent power throughout the rpm range. Capable of 8000+ rpm. Upgraded valve train required with this cam. Hard face welding is used on the lobes to reduce wear. Cam performs great for all tracks.

Valve Spring, Dual, 40lbs
Code: AGKCDS
Price: $10.50
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Dual valve spring for high output and high revving motors. Requires dual spring retainers. 40lbs at .900" install height. Solid height (coil bind) at .470".

Cam, Custom Ground .290" Lift
Code: AGKCAM290
Price: $149.00
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.290" lift and 246* duration @ .050" lift. This is a big cam for the serious GX160 or GX200. Great low end torque with fantastic top end power. Combine with a big carburetor and big valve cylinder head for a combination capable of 20+hp. Hard face welding is used on the lobes to reduce wear. Some grinding is required to allow room for the large cam lobes.

Cam, Custom Ground, .308" Lift
Code: AGKCAM308
Price: $100.00
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.308" lift with 244* duration @ .050". Big cam for high output GX160's and GX200's. Upgraded valve train is required for this welded and ground monster cam. Some grinding is required to allow room for the large cam lobes.

Cam, Custom Ground, .356" lift
Code: AGKCAM356
Price: $100.00
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This cam has .356" with 254* duration @ .050". Use dual springs, large intake valve and big carb. Check all clearances with high lift cams. Capable of 20+hp.

Valve Kit 1
Code: AGKBCVK
Price: $79.00
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Clone valve train upgrade kit consists of:
  • 1 - 26mm (1.024") intake valve (1mm larger than stock and almost 10% more flow area!)
  • 1 - 24mm (.945") exhaust valve
  • 2 - 1.3/1 rockers (giving the stock cam almost .290 lift!)
  • 2 - 18 lbs seat pressure valve springs
  • 2 - billet retainers
  • 2 - hardened locks
  • 2 - valve stem wear caps
  • 2 - .060 valve spring shims
  • 1 - push rod guide plate
These are quality components and are great for the intermediate performance enhancement of the clone engine allowing the engine's valve train to go well over 7,000 RPMs without valve float (be certain to upgrade any other engine components that may fail with increased RPM's prior to using this kit). All necessary parts are included and everything is a bolt in except the intake seat needs to be enlarged 1mm (.040") to accommodate the larger valve.

Valve Kit #5
Code: ValveKit5
Price: $130.00
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AGK Valve Kit #5 Includes: 28.5mm stainless steel intake valve, valve seat, 24mm stainless steel exhaust valve, lash caps, 26lb valve springs, aluminum retainers & split keepers, 1.3 ratio rockers and chrome moly pushrods. Machine work is required for installing the intake valve seat.

Valve Spring, 26lb.
Code: AGKBVS26
Price: $7.50
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Use with hardened cams up to 8000 rpm. Price includes one spring.

Valve Kit #4
Code: ValveKit4
Price: $112.00
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AGK Valve Kit #4 Includes: Stainless steel valves, stock size & length, lash caps, 26lb springs, aluminum retainers and split keepers, 1.3 ratio rocker arms and chrome moly pushrods. Light weight and high lift valve train kit for Honda's and clones.

Valve Kit #3
Code: ValveKit3
Price: $90.00
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AGK Valve Kit #3 includes: 28.5mm stainless steel intake valve, valve seat, 24mm stainless steel exhaust valve, lash caps, 26lb valve springs, aluminum retainers and split keepers. Machine work is required for installing the intake valve seat.

Valve Kit 2
Code: ValveKit2
Price: $69.00
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AGK Vavle Kit #2 includes: Stainless steel valves, stock size & length, lash caps, 26lb springs, aluminum retainers and split keepers. Most popular valve kit for Honda's and clones.

Pilot Jet, Mikuni
Code: SUD___PJ
Price: $8.00
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Pilot Jet fits 22mm Mikuni carburetor

Main Jet, Mikuni
Code: SUD___
Price: $6.00
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Main Jet for 22mm Mikuni carburetors. Also fits most 24mm Mikuni carburetors.

Indexing Washers
Code: SMSPIW
Price: $6.00
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Package of 10 copper spark plug indexing washers. One washer turns plug approximately 1/4 turn. See indexing spark plug in our Performance Basics section.

Candy Cane Header, Three Stage
Code: SMHCCM
Price: $47.00
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This is a great header which provides low end torque and mid range power. Bracing hardware included. Uses 1 5/16" RLV silencer.

Header, RLV Spec for AKRA Superbox
Code: SM5438
Price: $28.00
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AKRA legal header for Superbox class. Modified candy cane style. Three stage with the last two stages on the end of the pipe. Works with 1 5/16" RLV silencer. Great header for any GX120/160/200.

Clamp for Silencer
Code: SM414**
Price: $8.00
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Clamp for RLV silencers. Choose from three sizes: 1", 1 1/8" & 1 5/16". These sizes refer to the size of silencer you use. If you use a 1" silencer you need a 1" clamp. The ID of the clamp is actually larger so it can slip over the silencer.

Silencer, RLV
Code: SM410**
Price: $37.50
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RLV silencer. Choose from three sizes: 1", 1 1/8" & 1 5/16". The sizes refer to the ID of the silencer. If your header pipe has a 1" OD you will need the 1" silencer. High quality clamp on silencers. Clamp sold separately.

Aluminum Flywheel, Honda
Code: HON31100
Price: $99.00
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New Low Price Fits GX160 & GX200. Provides 4* advanced timing when installed on a GX200. This is an important upgrade for performance and safety. Lighter weight frees up more horsepower and rpm. This flywheel weighs 3lbs 4oz.