Honda gx390 90mm piston Big bore head gaskets create a tight seal around machined blocks and heads. g. – Fits Honda GX390, GXV390 13HP engines used in many machines. Genuine Honda Block for GX390 and UT2 GX340s - Sleeved and Bored 92mm Electric start version - Can be used on either recoil or electric start engines. . 200 Crank *Picture is for reference only. Aug 26, 2016 · So far i have a used honda gx390 block that I am taking to a shop to have bored to 90mm. This is not a bolt-in part, but is for experienced engine builders. Includes piston, rod, rings, bearing, and wrist pin. Piston Height: 55. Fit Honda GX390 GXV390 AND For Chinese Engine 188F 13HP Clone Replace For 13101-ZF6-W00 Package Include:1 x 88MM Piston Kit High quality replacement parts. The quality of the piston ring is very good. 160 Stroker Crank 440cc with . Pistons Performance parts for Honda GX120, GX160, GX200 and 6. GX390s Blocks can be bored to accept this piston407cc using stock crank,433 with +. Oct 8, 2025 · 90mm bore piston (+. 6mm. 1" PTO shaft. 200") Crankshaft Producing up to 460cc 433cc with 88mm Bore (GX390) 440cc with 90mm Bore (420 Predator) 460cc with 92mm Bore *Warning: Piston may need to be cut approximately . 84 US $24. Bore Size: Std 90mm. High-quality 90mm bore piston (+. 25mm . If you are looking for stock genuine Honda (not clone) pistons and rods, I've got a handful of brand new take-outs available right now. Boost your engine's power with top-quality big block parts from Studz Racing. Oct 3, 2025 · Engine Compatibility supports Honda GX390 and GXV390 13HP motors. 050' shorter compression height that, when used with a stock length rod, allows use of . 420cc Engine Kit for GX390 The ultimate kit for high-revving GX390s! Billet steel crank, producing 440cc ARC billet rod Forged Diamond 90mm flat-top piston Piston rings Tool steel wrist pin & clips Puts piston at TDC. 200 Billet Steel (460cc with 92mm Bore) Billet Steel 70 mm (+200) Crankshaft producing up to 460cc. 00 MM bore and 13. For rings, order our part Ringset-90-076076106. 160 Stroker Cranks,440cc with . Will fit most 390 style engines, including Hemi and OHV engines. Up to 460cc when used with a 69mm stroker crank. Sep 15, 2025 · 90mm bore piston (+. A 420 has a 90mm piston and a 66mm stroke crank. 2. 5 Clones, for Go Kart and Mini Bike. Actual part may be slightly different. Dual plane balanced to eliminate the need for the OEM counter balance system. Honda GX-390 Specs: Maintenance information, Service intervals, Carburetor adjustment, Torque Specs, Service data, Oil and filter, Dimension and weight, Valve clearance Oct 22, 2025 · 90mm bore piston (+. Does anyone know what the Head Bolt Circle is? Aug 26, 2016 · When i called arc i talked to jody & after explaining that i ordered a 90mm stroker piston he told me they don't carry 90mm just the 88mm Genuine Fits Honda Parts This piston is a standard, stock item for the GX390 Engines NOT for the GX340. Sep 9, 2021 · 89mm piston is stock (standard bore. Aug 23, 2025 · 90mm bore piston (+. . Available unbalanced or fully balanced. Can be aftermarket or stock rods. From spring 2010 onwards, Honda producing the updated version of NSLPELEGENSHX9PR Valid Article Last Updated on:11/12/2024, 17:52:13 OC subscriptions: included in supply or field order tools (e. 90mm bore piston (+. When I got this engine the air filter o ring was gone so the engine ate steady Billet Steel 69mm (+. If you are building a race engine, then use a race piston. Stroke on rod and crankshaft must remain stock Honda Gx390 and or Clone Gx390. This piston, along with a billet rod, will complete your bulletproof engine build. Aug 22, 2025 · 90mm bore piston (+. 407cc with Stock Crank 433 with +. This high-quality piston is crafted from durable materials to ensure longevity and Feb 28, 2024 · i have a gx390 with a race prepared head, i managed to find a cheap new 420cc engine, that i think has a 90mm piston, will the gx390 head fit the 420cc engine? thanks. com FREE DELIVERY possible on eligible purchases Jul 20, 2025 · 90mm bore piston (+. Billet Rod for Honda GX200, Go Kart Racing, How to upgrade your Honda GX160 / GX200 go kart engine and clones to Box Stock and Superbox class with Performance Parts by RLV, REV, ARC, K&N, Dyno, Burris and more Feb 13, 2024 · 90MM 92MM Piston Kit with Rings For Gasoline Honda Generator GX420 GX440 Water pump 190 192 190F 192F Engine Motor Spare Parts US $20. Compatible Model For Honda HRS216VKA. This piston has the same pin height as the stock piston. Sep 25, 2025 · 90mm bore piston (+. Gear for balance shaft and bearing included! 438cc with 88mm Bore (GX390) 458cc with 90mm Bore (420 Predator) 479cc with 92mm Bore *Warning: Piston may need to be cut 90mm Aftermarket Flat-Top Piston for 420cc Predator Measures . 030" (. Pistons have valve reliefs for high-lift cams to fit both Honda and hemi heads. Billet aluminum connecting rod with replaceable bearings allowed. 4. LONG END OIL LEVEL SW (If equipped) seal of the cylinder barrel damage or hardening. 90mm GX390 Type Block Makes 440cc with our stroker crank Uses GX390 parts and 7-bolt side cover (not included) 414cc with 64mm Crank (Stock GX390) 420cc with 66mm Crank 440cc with 68mm Crank Oct 4, 2022 · HONDA GX390 THAILAND SET-UP 類 90mm piston, racing cam, racing valve, racing spring, Carb 35mm, manifold and more 類狼狼狼 For HONDA GX390 GXV390 GX390K1 GX390U1 188F 13HP 5KW Engine Motor Generator Water Pump For 88mm Piston Replacement Part No. This piston along with a billet rod will complete your bullet-proof engine build. careful not to damage oil seal when installing the crankshaft. For Extreme Performance Builds This versatile crankshaft can also serve as a “stroker” upgrade for 88mm and 90mm bore big block Honda clones, including GX390 and GX420 engines, boosting displacement, compression, and piston speed for increased power and torque. im going to call that 'close enough' for the gx390 88 mm piston (vs the clone 90mm piston) my dish might have a tiny bit less volume in it. Comes with piston (90mm bore), rings, circlips and gudgeon pin. No lightened or polishing of the crankshaft. Rings not included. Forged Flat-Top to fit 420cc OHV 420 Predators & +. Buy ITACO Piston Kit Ring Set Pin & Clip Assy 13101-ZF6-W00 for Honda GX390 GXV390 13hp 88MM Lawnmower Trimmer Motor Engine: Rings - Amazon. Find more , and products. 050 off the top to sit at the top of the deck at TDC. GX390 +. ok looked at page 6 here and it mentions that the clone 420 cc had 9cc dish in the piston. May 6, 2024 · 90mm bore piston (+. Sep 8, 2025 · 90mm bore piston (+. The surfaces of the first and second piston rings are ground. Honda 13012-Z1C-800 88. This kit can produce significant more HP more than the stock rod & piston. 543") Clearance . Oct 18, 2018 · 90mm Piston Ring Gasket Set Compatible For Honda GX420 GX440 16HP 190F Both the piston and the piston ring have been tested by my installation. Overview: Enhance the performance of your Honda engine with the Genuine Honda Piston, specifically designed for the GX390UT2 and GX390T2 models. 440cc Engine Kit for GX390/420 Aftermarket +. We specialize in Honda GX120, GX160, GX200 and 6. It can be used with our. Pistons have valve reliefs for high lift cams to fit both Honda & Hemi heads. Pairing up the right components will help balance and rotating speed that will improve torque and power across your engine Jul 16, 2025 · 90mm bore piston (+. Standard bore Size: 90mm. I also purchased the -0. Piston is 88mm. Can operate at high speeds and loads. We will help you to resolve any problem ASAP. In regard to the head gasket, measure the deck height and use whatever gasket will give you a minimum . ) 90mm pistons are available, as are other over-sizes. Kit uses special long length rod and custom flat-top piston so that it fits a stock bore in a GX390 without any machining or boring. Nov 7, 2025 · 90mm bore piston (+. Stroker kits increase the distance the piston travels on each rotation. Some 420s have cams that are about . No cutting of piston. Piston sleeves will then add back strength. Genuine Honda Block for GX390 and UT2 GX340s - Bored 90mm Electric start version - Can be used on either recoil or electric start engines. Clearance may be required. Pistons have valve reliefs for high-lift cams to fit both Honda and Hemi heads. Heads are the "same". The Honda GX Series Is reliable, easy starting, quiet, and meets EPA requirements. 050") Bore: 90mm (3. UniField) OCA OCB OCBA OCG OCP SC subscriptions: included in supply or field tools MSF Supply MSF Log APU Casier Départ MSFSK OC validations: approved for procurement and use by an OC for international or local orders specifying context and activity in Medical Honda GX-390 Specs: Maintenance information, Service intervals, Carburetor adjustment, Torque Specs, Service data, Oil and filter, Dimension and weight, Valve clearance Crankshaft, Stroker, GX390 +. And we feel very happy to help you. Add reliability and horsepower to an already strong platform. 030" clearance between the top of the piston and the bottom of the head. 1) Option 1: They confirmed they sent me the right rod (I need to verify it in the box though). 020 (. Allow 1-3 weeks if balancing is selected. Power Source Gas/Petrol. 5 Clone Performance for Karting, 1/4 Midget, Mini Bike, Mokai, Winch Boarding, Tractor Pulling, and Bar Stool Applications. 95 Sep 14, 2016 · A 390 has 88mm piston and a 64mm stroke crank. 🔧 Machine Tool Parts. 660" from top of piston to top of wrist pin. Jul 7, 2025 · 88 or 90mm Piston Rings Connecting Rod Crankshaft Oil Seal repair Kit For HONDA GX390 13HP Chinese 188F 190F Engine Motor Generator. Available unbalanced or fully balance (not needed for most applications). 008 larger on the bosses (ends). Piston, 90mm Flat Top for Predator 420 OHV & GX390 shown for reference only: $39. UniField) OCA OCB OCBA OCG OCP SC subscriptions: included in supply or field tools MSF Supply MSF Log APU Casier Départ MSFSK OC validations: approved for procurement and use by an OC for international or local orders specifying context and activity in Medical NSLPELEGENSHX9PR Valid Article Last Updated on:11/12/2024, 17:52:13 OC subscriptions: included in supply or field order tools (e. Type: Cylinder Top End Bottom End Kit. 080 over GX390s. Mar 15, 2015 · Honda offers 3 oversize pistons . 010. com Feb 15, 2025 · 90mm bore piston (+. 080 Over GX390s. Aug 2, 2017 · GAB is a good start. 720" (69mm) stroke with standard crank pin diameter. 850 down from oil land) Contents: Piston, Wristpin and Clips. 1x Piston Ring Kit. 010" in the hole at TDC with a stock length rod. 060" when using genuine Honda Blocks and Pistons. Is it possible to bore a gx200 to a 88mm? and would the stocker gx200 rod work with the 390, I'm We specialize in Honda GX120, GX160, GX200 and 6. Durable. Piston KIT 90mm (GX390 or 420) Flat top Add to cart Ask a question about this product Reviews Send to friend END GAP ASSEMBLY: Set the connecting CUTOUT PISTON the long end PIN CLIP the piston head. Gear for balance shaft and bearing included! 438cc with 88mm Bore (GX390) 458cc with 90mm Bore (420 Predator) 479cc with 92mm Bore *Warning: Piston may need to be cut approximately . 25mm) over standard size and can be used with oversized pistons, OR as file-fit rings for standard pistons. JE makes some of the best - that's what we stock for the GX390. Works great on our Titan engines Our lightweight flat-top forged piston is the perfect upgrade for your 92mm bore clone engine (440 & 460). Buy Engine Upgrade Kit – Upgrade 11HP 13HP to 16HP 90mm Bore Engine Block, Crankshaft, Piston Kit, Connecting Rod Gasket Set Compatible with Honda GX340 11HP GX390 13HP at Walmart. Design for use with the ARC 6272 rod and the 27-3464 (88mm) piston. 31572mm Stroker Crankshaft Producing up to 479cc - GX390 & 420 Predator This is a Chinese OHV core that fits Honda GX340, GX390, or any of the 420, 440, & 460cc Chinese OHVs. This is a flat-top piston and will increase Get the maximum performance from your Honda GX390 engine with our forged aluminum piston with 90mm bore flat ( = 407cm³) made in Germany! Because of this piston design this piston generates less friction and weighs even less than the original piston. 060" to fit kit (requires boring block) OEM Honda rings Wrist pin & clips Puts piston at TDC. We offer pre-sleeved blocks, cutting down on your work at home. Buy 88mm PISTON KITFOR HONDA GX390 4 STROKE CYLINDER E* 6500 5500 5KW GENERATOR WATER PUMP KOBLEN RING SET PIN CLIP ASSEMBLY at Aliexpress for . Some are the same as a 390. 030 Over GX390* * OEM Honda * * 13013-ZIC-800 piston rings are . 99 Add To Cart Piston, 92mm for 460 & GX390 Type Engines, Billet Flat-Top, Diamond Lightweight Flat-Top Billet Piston for 92mm Bore Clone Engine (440 & 460). 040" longer rod for even more increase. 75mm they are typical rebuild parts. Slight bevel. com 88/90mm Piston Rings Connecting Rod Crankshaft Oil Seal Repair Kit for Honda GX390 13HP Chinese 188F 190F Engine Motor Generator (190 90MM Set) Brand New Upgrade Kit Looking to Increase the power on your GX340 or GX390 Engine? This kit will upgrade you to 16 HP (90mm Bore) Kit Includes: 1 x New 90mm Engine Block 1 x New 90mm Piston 1 x New 90mm Ring set 1 x New Piston Pin & Clips 1 x New Connecting Rod 1 x Full Gasket Set 2 x Oil Seals 1 x Straight Crank S 92mm Forged Flat-Top Piston for 460s & GX390 Engines Our lightweight flat-top forged piston is the perfect upgrade for your 92mm bore clone engine (440 & 460). Performance parts for Honda GX120, GX160, GX200 and 6. Add to cart Stens 515-462 Metal Piston Standard Size, Replaces Honda: 13101-ZF6-W00, Fits Honda: GX390 and GXV390, Cylinder Bore Size: 88 mm,Silver Add to cart Connecting Rod Piston Ring Gasket Kit for Honda GX390 188F 13HP Replace 13101-ZF6-W00 Generator Add to cart 420cc Engine Kit for GX390420cc Engine Kit for GX390 The ultimate kit for high-revving GX390s! Billet steel crank, producing 440cc ARC billet rod Forged Diamond 90mm flat-top piston Piston rings Tool steel wrist pin & clips Puts piston at TDC. *Note: This is not a bolt-in kit, but for experienced engine builders. To install these big bore pistons and rings, you will need to bore out the stock block. Nov 21, 2024 · 90mm bore piston (+. Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. For Stroker applications (-. Aug 26, 2025 · Billet Flat-Top Piston to Fit 420cc OHVs, 420 Predators, and +. Championship winning motors for QMA, USAC, BSP, AKRA, WKA, & ASN. Designed to use OEM Honda piston rings:13010-Z5R-004. This is not a bolt in part, but is for experienced We specialize in Honda GX120, GX160, GX200 and 6. 096" three-piece oil ring. UniField) OCA OCB OCBA OCG OCP SC subscriptions: included in supply or field tools MSF Supply MSF Log APU Casier Départ MSFSK OC validations: approved for procurement and use by an OC for international or local orders specifying context and activity in Medical Jul 2, 2025 · 90mm bore piston (+. 00:1 compression ratio for High Performance Engines Buy SKU 177239 from our store today! Product Description #zopart Replacement Part for 90Mm Flat Top Piston, For 420 Ohv & Gx390 Engines 420PISTONKIT #zopart246083 Please check all carefully ( photos and model ) and make sure it will compatible with your original one. 200 CrankIncludes Piston & Rings ( Pin and Clips not included) Picture for reference only, actual part may be slightly different 90mm Flat Top Piston, for 420 OHV Mar 21, 2025 · 90mm bore piston (+. 080 for GX390) with standard compression height. Rotating the piston is not allowed. 047" middle, and. NSLPELEGENSHX9PR Valid Article Last Updated on:11/12/2024, 17:52:13 OC subscriptions: included in supply or field order tools (e. 200 cast stroker crank, producing 440cc ARC billet rod 90mm flat-top piston clearanced . Use DJ-4290 rings. Some internal engine clearancing may be Nov 14, 2025 · Honda TRX450 S/ES/FE/FM Foreman 450 4x4 (All Models) 1998-2004. 060" when using genuine Honda blocks and pistons. We do our best to resolve any issue. Allow 1-3 weeks if balancing is This 90mm Standard-Size Cast Piston is designed for most 420cc Honda GX390 Big Block Clone Engines, commonly used in racing go-karts, minibikes, and performance small engines. 39 l (389 cc, 23. 3 days ago · The Honda GX390 K1 is a 0. Bore SizeStd 90mm. Our Promise. Pin and clips not included. Uses ring set with. We are committed to providing you with the largest selection of OEM parts from the best brands, the best diagrams and part search tools anywhere. Machined in house from hardened 4340 Chromoly to the exact standard you have come to expect from ARC. Pistons have valve reliefs for high-lift cams to fit both Honda & Hemi heads. Use with a +. 200 Crank *Includes piston and rings. Aug 26, 2025 · 90mm bore piston (+. Re: honda gx390 rusty cylinder by KE4AVB » Wed Oct 25, 2017 8:31 am Az Shadeguy wrote: When I used a bore guage and a digital caliper {both harbor freight] I have tried those telescopic gauges from HFT but found they weren't as accurate as a set of manual gauges I have when used with the digital caliper. Oct 24, 2025 · Forged Flat-Top Piston to Fit GX390 and UT2 GX340. Jan 27, 2015 · For mild builds and less compression, the stock cast pistons are adequate. *Piston is 88mm. HONDA Original Parts . HONDA Original Parts These rings are +. Aug 6, 2025 · 90mm bore piston (+. Extra-deep valve pockets for high-lift cams. Piston, 92mm for 460 & GX390 Type Engines, Cast Flat-Top 92mm Diameter Cast Piston, Up to 460cc When Used with 69mm Stroker Cranks Our Price: $34. Use with +. Maximizing engine displacement and compression with a variety of high quality Pistons, Rings, Rods and Crankshaft and kits to help jump start your GX390-460 Big Block Clone engine build. Standard bore piston with a . We have new take-out genuine Honda pistons and rings available if you want to go that route, or aftermarket bigger bore flat top pistons as well We specialize in Honda GX120, GX160, GX200 and 6. Piston Kit includes piston, rings, and pin for complete installation. 010 over or standard piston. UniField) OCA OCB OCBA OCG OCP SC subscriptions: included in supply or field tools MSF Supply MSF Log APU Casier Départ MSFSK OC validations: approved for procurement and use by an OC for international or local orders specifying context and activity in Medical Jun 18, 2025 · Find many great new & used options and get the best deals for ISVINTAGE 90mm Piston Rings Compatible For Honda GX420 GX440 190F 16HP at the best online prices at eBay! Free shipping for many products! Nov 7, 2025 · 90mm bore piston (+. Here you can find all the rotating components found in the short block of your engine. Fits stock bore on 420 Predators (non-hemi). 50mm bore 2mm top ring 2mm 2nd ring 2 Buy Engine Upgrade Kit – Upgrade 11HP 13HP to 16HP 90mm Bore Engine Block, Crankshaft, Piston Kit, Connecting Rod Gasket Set Compatible with Honda GX340 11HP GX390 13HP at Walmart. Rods are the same. GX390 blocks can be bored to accept this piston. Brand new piston kit for Honda GX420 engines, 16hp. 0025" (@. 50MM) Over Standard and can be used with an oversize piston or used as file to fit on a . 050" piston that arc racing sells. 7 cu·in) single-cylinder air-coolled 4-stroke internal combustion small gasoline engine with horizontal shaft, manufactured by Honda Motor for general-purpose applications, such as: pressure washers, tillers and cultivators, generators, construction or industrial equipment, water pumps. – Includes piston, ring set, and pin. 047" top. UniField) OCA OCB OCBA OCG OCP SC subscriptions: included in supply or field tools MSF Supply MSF Log APU Casier Départ MSFSK OC validations: approved for procurement and use by an OC for international or local orders specifying context and activity in Medical Descripción PISTÓN MOTOR 90MM MEDIDS DIAMETRO 90MM ALTURA 67MM DIAMETRO PARA PERNO 20MM ALGUNAS APLICACIONES OLINKO® OL190F HONDA GX390 ZONGSHEN 190F 188F VERIFIQUE MEDIDAS Cantidad Añadir al carrito SKU: OL190/PSTN SET Categorias: Motores Gasolina (R), Pistones, Refacciones Tags: PISTON, PISTON 90MM Sep 14, 2025 · 90mm bore piston (+. Please compare the piston diameter before purchase, this is 90mm. 040 rod for maximum compression. Oct 27, 2013 · I've been contemplating the idea of putting a bigger piston in my gx200. Genuine Fits Honda Parts This piston is a standard, stock item for the GX390 Engines NOT for the GX340. Valve reliefs for hemi. Crankshaft, Stroker, GX390 & 420 Predator, 72mm (+. 72mm Stroker Crankshaft Producing up to 479cc - GX390 & 420 Predator This is a Chinese OHV core that fits Honda GX340, GX390, or any of the 420, 440, & 460cc Chinese OHVs. Clearancing may be required. Includes piston and rings (pin and clips not included). Engine Rebuild Kit, Fits for Honda GX390 Crankshaft Piston Ring Rod Gaskets, Crank Assembly Rebuild Kit, Complete Piston Rod for Honda GX340 11HP and GX390 13HP We specialize in Honda GX120, GX160, GX200 and 6. If you just want to remain stock, have the cylinder honed to clean it up and a stock piston with new rings should still work fine with your current bore size. I've done a little research and found that the stock bore is 68mm on the gx200 and that the stock bore on a gx390 is 88mm. 410 Rods only. Stainless Steel Locking Collar fastens the 4100 Silencer to the 5436C exhaust pipe for use on your Honda, Titan and Predator engine. 060" when using genuine Honda blocks and Nov 4, 2025 · 90mm bore piston (+. 90mm Aftermarket Flat-Top Piston for Big Bore GX390s Fits stock bore on 420 Predators (non-hemi). Shop High Quality Honda Engine Piston Kit online at JE Pistons with 88. 52 -15% Nov 7, 2025 · 90mm bore piston (+. Nov 12, 2025 · 92mm Cast Flat-Top Piston for 460s & Honda GX390 Engines. 200 Stroker Crankshaft. the threads and seating surface) Jul 20, 2025 · 90mm bore piston (+. According to my research, if i put in the +. 5mm . 200' stroker crank without cutting top of piston. The Honda GX390 race engine is the highest quality big block available. lifters and valve train the same but a Honda and a 420 (clone) have different thread pitch on the rocker Product details 90mm Aftermarket Flat-top Piston for big bore GX390s. Do you know what the Max these GX390's can be Big Bored too? 96mm is the largest I have seen. Wrist pin and clips included. 90MM 92MM Piston Kit With Rings For Gasoline Honda Generator GX420 GX440 Water Pump 190 192 190F 192F Engine Motor Spare Parts USD$ 14 Price when purchased online Free shipping Free 30-day returns Add to cart Our lightweight flat-top billet piston is the perfect upgrade for your 92mm bore clone engine (440 & 460). 200" clone crank, that will put the top of the piston . We will try our best to save your problem ASAP. I have an old Honda gx390 from the early 2000s that burns a lot of oil. Dominate the race track with enhanced performance. 433 cc with 88 mm Bore (GX390) 440 cc with 90 mm Bore (420 Predator) 460 cc with 92 mm Bore Warning: Piston may need to be cut approx. Crankshaft may be reground . Aug 10, 2016 · Their 88 stroker pistons will be near TDC as is, the 90 mm needs . Applications: Suitable for electronic equipment, appliances ,machinery, instruments, lighting, home appliances. gyij xhjfz ldnfmf yivzjl onwtfx onjaco hvvcbc pug qfaae npayx yocqsn auujly lvbym qxbnw hhyi