Z125 4v head. It rattled like a mofo from day 1, but.

Z125 4v head. 00 ฿900. ph/product/78589767/19034822152 Oct 9, 2017 · I think the Z125 Pro has better gear ratios than the Grom. Z5 4valve Wave 125 Head Philippines - Buy for best Z5 4valve Wave 125 Head at Lazada Philippines | Nationwide Shipping Discounts and Vouchers Effortless Shopping! Our 4V Cylinder Head kit is the ideal engine part to complete the Big Bore kit. Sniper head for wave125/xrm125 4 valves goods for 68mm up block. Please read the title to know what is for sale Koso ceramic coated big bore cylinder kit forged w/4-valve piston and gaskets Koso 4-valve cylinder head (complete with camshaft, rocker arms, intake manifold, and all other parts shown in the picture) Not legal for use May 1, 2019 · Zong also makes the Japanese Daytona motors that are very popular for pitbike racing (4 valve vs 2 valve head is the difference). Cylinder - Genuine Parts Fits Sym Joymax Z+ 125 E5 2025. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Aug 14, 2025 · Buy 63mm Big Bore Cylinder Kit for Y125 B125 Z125 M125 Y180cc 125cc 4V 4T: Cylinder Heads - Amazon. KOSO Honda Grom/Monkey 125 4 Valve Cylinder Head Kit with larger square intake and oversize exhaust port to accommodate the pair of 24mm intake and 21mm exhaust valves. Designed to enhance performance and durability, this component supports high-compression combustion and sustained engine efficiency under YX 4-VALVE HEAD YX 4v head, latest version, powerful and reliable. The Koso 4V Head Kit is the ideal engine part to complete the Koso Honda Grom? Big Bore kit. Fits models such as Yamaha Bws125, Cygnus125, Zuma125. Cylinder Gasket. Clamp. List price: $1,039. TB 143cc Bore Kit, Race Head V2, and Intake Manifold Kit TB 143cc Big Bore Kit, Race Head V2, and Intake Manifold Kit – If looking for more power for your Z125, you’ve come to the right place! The parts in this kit were developed to work flawlessly with each other to deliver a high level of performance at an affordable price. 3ccBore Diameter = 59mmCompression Ratio = 12. 143cc Bore Kit w/ Forged Piston for V2 Head, Gaskets, Seals, & Oil Filter - KLX110 & Z125 In stock $ 245. This is the Lifan Big Valve head Can be used on GPX 124cc Engines as in Pitster pro ,thumpstar ect 27mm intake valve and 23mm exh valve complete and assembled cam included with . This kit also works very well on the Daytona 190 and 160cc engines. Fine tuning is highly recommended to achieve the best performance and results. Details: Minimum piston size 59mm Intake and exhaust valves (24in/21ex xrm 125 all stock to 4v conversion stock stroke Jul 9, 2017 · Did a for fun pull against a Grom - Koso 170cc w 4V head with stock gearing (vs Kawi Z) and basically left the Grom. 99 More Info 1 2 3 [Next >>] Displaying 1 to 24 (of 56 products) Up for sale is KOSO 2019 Z125 Monkey Honda 4 VALVES CYLINDER HEAD. Because of its unique 4 valve design, the airflow and performance are increased. com Photos from MonkeyFather's post DMOZ1B5fBd3qbGrJtgOPNuJEycOu3ouRucDpQOS5ppVmYCFjZLRq3GQ neSpdrsoto7un38010og3ci4i9a0u03uM0t2eg6e842g99fiL1g All reactions: 67 5 comments 4 shares Like Comment Most relevant  Tony Perdue I also would like to know price 2y Paul In detail DOHC BIG BORE 181cc KIT DOHC FROM SOHC TO DOHC FOR HUGE POWER The compact air-cooled DOHC head is optimized for GROM / MONKEY 125 and is designed for huge power. 95 10% off Buy It Now Free shipping Koso North America 4-Valve Head w/ 170cc Big Bore Kit HONDA Grom & Z125 Monkey MB623003 Includes Cylinder, 4v Head, Camshaft, Seals ++ Brand New $884. It can be installed as an upgrade on all YX 150-160 2v engines bringing them to 4 valves with a significant increase in power. is dedicated with the Yuminashi Brand to supplying high performance products of the highest quality for motorcycles, scooter and Nov 18, 2013 · Will new 3valve head fit ET4 125/150/190? ⬆️ About 1 month elapsed ⬇️ ⬆️ About 6 years elapsed ⬇️ Post Reply Takegawa Grom / Msx125 Super head 4 Valve + R Bore - up Kit (181cc) Piston, piston rings, cylinder, gaskets and camshaft, cir-clips. Head gasket. The 138cc 4V +R Superhead complete engine comes with the all powerful 4 valve +R roller rocker head, 20/25D auto decompression camshaft, Takegawa Special Clutch with aluminum or magnesium cover, TAF 5 speed S-Touring transmission, Hyper CDI, and port matched intake manifold. We have gasket kits and replacement piston kits available if you would like to rebuild your top end while installing this cylinder head. Piston pin SYM Ø15x41. The KOSO 4V Cylinder Head Kit for the 2014-2020 Honda Grom and 2019-2021 Honda Monkey is the ideal engine part to complete the Koso 170cc Big Bore kit. Once it's all the way Find many great new & used options and get the best deals for Koso North America - MB623003 - 4V Head Kit with 170cc Big Bore Kit at the best online prices at eBay! Free shipping for many products! Sep 2, 2024 · 󰍸 󰤦 󰤧 Masato Yuminashi Engineering Aug 15, 2024󰞋󱟠 󰟝 Developing the new Yuminashi 4-Valve Head for the old 2-valve 125cc and 150cc PCX type engines (2009 to 2021 engines) New product coming soon, head porting will be done by 5-axis CNC work. 󰍸 󰤦 Masato Yuminashi Engineering Jul 31, 2024󰞋󱟠 󰟝 NEW YUMINASHI ST227 CAMSHAFT RELEASED FOR THE MSX EURO-4 ENGINES! Link This set fits the stock OEM Kawasaki KLX110 and Z125 cylinder heads as well as our V2 Race Head and Chinese YX 150/160 heads. While we sell each part of this kit separately, running the combination of the big bore kit, race head, and intake kit is where you will see the most power and performance gains for the best value. Z5 wave 125 STEELBORE 68mm for 4v head. The inlet valves have a diameter of 22. Mutarru 4v head 20/23 & 21/24 for Wave 125#Mutarru #4v #4valves #Wave125 #w125 #hellboyworkz For inquiries, you can reach us @ our FB page:https://www. Thus ideal as a top-quality replacement for a defective original cylinder. Comes with TB Intake Manifold. I feel like Honda stretched 1st gear and made each following gear shorter, which makes popping up wheelies a lot harder. Race Head V2 Roller rockers, 30mm intake STAINLESS STEEL 4-VALVE HEAD NUTS SET 8MM (FOR KOSO 4V HEAD / YUMINASHI TRAXX 4V) ฿3,722. 00 Add To Cart Add to Compare Add to Wishlist TITANIUM VALVE SPRING RETAINER SET (FOR 5MM VALVE STEMS) ฿1,550. 00 USD Add to cart 4v head review Pit Bike Discussion Ported & Polish head, valve work, and combustion chamber work, increase air flow (flow bench tested) Brand New Starter Black out finish Crate engine only does not include anything else. Tensioner Lifter Assembly. Adjuster Spring. Buhay DIY - HONDA WAVE125 57mm Block 4 Valve Cylinder Head SUPER TOURING SET GDyey 14. Cylinder head will be from a selection of local brands of comparable quality, depending on stock availability. These are high quality parts and the increased power from the Race Head V2 will not disappoint. The 4 Valve Head Kit features a forged piston, stainless steel 24 mm intake valves and 20 mm Aug 21, 2025 · 4V Head Kit w/ 170cc Big Bore Kit This Koso 4V Head Kit w/ 170cc Big Bore Kit fits your 2020 2019 2018 Honda Grom 125 ABS and is perfect for a tune up or performance upgrade. 9% Buy It Now +$42. ZS190 bottom end with a Daytona 4v 212cc jug and head are popular upgrades on the Grom/clones. Starting with the addition of forged aluminum roller rocker arms and our V2-2 camshaft. , Ltd. The valves are arranged in two rows on each side of the piston. Key features: Lightweight high compression 60mm piston (Select Cast or Forged option below) Aluminum cylinder for better heat dissipation and further weight reduction from stock. Compression ratio 11:1 Piston size 63mm Stroke (OEM crank) 57. Please read the title to know what is for sale The Koso 4V Head Kit is the ideal engine part to complete the Koso Honda Grom Big Bore kit. Billet lid comes with the head. TB Race Head V1 Valve Kit - Same as stock ZS 155 and YX 160 Head TRC-0628 $45. Cilinder. 65mm and above Piston with 4 valve pockets will be required. T Bolt USA now offers the powerhouse that is the Daytona 4V head for your ZS 190 engine! This will also provide the 212cc bore kit with matching 4 valve piston. com FREE DELIVERY possible on eligible purchases 143cc 4V kitaco BBKLast one in the world. AFR are way off and stock injector taps out in 2nd gear. Z5 WAVE 125 68MM STEELBORE FOR 4V HEAD Description: Naraku Cylinder 52mm 125cc Big Bore Kit with 4V Cast Piston. 4K subscribers Subscribed Product details The 4V Performance Upgrade Cylinder Head is engineered for Honda 125cc engines (Wave125i, BLADE 125 4v, FI/SUPRA X 125, MSX125, Wave125), combining lightweight aluminum construction, a four-valve design, and optimized heat dissipation. Also a great, complete replacement for damaged heads on Daytona engines. 00 Select options This product has multiple variants. NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES TB 143cc big bore kit with V2 Big Valve Race Head! The 60mm bore is the biggest kit to run on the z125 Pro without machining your cases. com FREE DELIVERY possible on eligible purchases Jul 12, 2019 · I doubt they make a different engine for Europe, like I said visit zs190 swap shop, those boys been hammering their zs190’s with great results even with the 212 kit and Daytona 4v head. ※FI ※FI CON2 CON2 is is required required simultaneously. 2,571 likes · 6 talking about this. Just add a Fuel controller. 9mm Takegawa Oil cooler kit (sold separately) is recommended. She's all buttoned up! Grabbed the EFI kit and a larger injector, but I want to get a solid comparison against the Nibbi pe30 properly tuned. The parts in this kit were developed to work flawlessly with each other to AboutPressCopyrightContact usCreatorsAdvertiseDevelopersTermsPrivacyPolicy & SafetyHow YouTube worksTest new featuresNFL Sunday Ticket© 2025 Google LLC Aug 11, 2025 · Up for sale is KOSO 2019 Z125 Monkey Honda GROM 170CC BIG BORE KIT W/4-VALVE CYLINDER HEAD. The head is already assembled making it even easier to swap. In terms of fuel efficiency, the Kawasaki Z125 PRO sport bikes are equipped with Kawasaki's own smart regulator technology for their small-displacement bike models that enables charging while idling and it'll turn Cylinder head assembly four valves size EX19/IN21. TB 143cc big bore kit with V2 Big Valve Race Head! The 60mm bore is the biggest kit to run on the z125 Pro without machining your cases. 3mm and the exhaust valves 20. Ø53 SYM 125 EFI H2O 4T 4V E3-E4 (L1N). We wanted to develop an affordable larger displacement cylinder and piston kit for KOSO 4 Valve Head. Flange Shf Bolt 6x22. 2019 Grom, Monkey, CRF110 & Z125 performance Aug 15, 2022 · 🌡️Selling Z-5 ENGINE VALVE 4V HEAD WAVE125 Xrm125 RS 21/24 22/25🔥 Get it on Shopee now! https://shopee. NOTE: 212cc Zongshen engines are intended for high performance or racing application. A great upgrade for your Z125! This kit uses a large 60mm piston paired with a V2 race head to give a huge bump in power. 00 Add To Cart Add to Compare Add to Wishlist ULTRA TAPPET ADJUSTING SCREW SET (23MM) FOR HIGH LIFT CAMS (2PCS/SET) ฿460. Piston Ring Set. 16K subscribers Subscribed - 4V Superhead with forged aluminum roller rockers w/ w/ 5 AXIS CNC Machined Port Matched Head - Dual 25mm intake valves - Dual 21. co. Valves size: EX25 / IN28. 6mm crank = 138. So far been alot of tuning. simultaneously. 5mm exhaust valves - 10D High Performance camshaft Camshaft w/ Auto decompression - Piston rings, pin, clips and gasket kit - NO Fuel Controller ** Kit should be installed by a certified mechanic to ensure proper Find many great new & used options and get the best deals for Koso North America 4-Valve Head w/ 170cc Big Bore Kit HONDA Grom & Z125 Monkey at the best online prices at eBay! Free shipping for many products! Buy Z5 by PITSBIKE XRM 125 WAVE 100 4 valve 4v valves 4Valve Head 19/22 21/24 24/27 22/25 XRM WAVE RS online today! YUMINASHI GT4S 4V PERFORMANCE HEAD (22/19MM) (FOR eSP+ 125CC / 150CC / 160CC 4V ENGINES) (12200-K2S-GT4S) This YUMINASHI cylinder head was introduced as the GT220 4V PERFORMANCE HEAD, and has been upgraded with a name change into the GT4S PERFORMANCE HEAD, and included now new Roller Rockers, Titanium Retainers, Reinforced Valve Springs, a Cylinder head four valves for Yamaha Cygnus125, Bws125, Zuma125. The Z125 has a shorter stroke so its more rev happy and the gearing matches it well. Billet Suzuki GS 4V Head $ 5,250. Get the best deals for 125cC Pit Bike Big Bore Kit at eBay. Not only do the aluminum roller rockers free up big horsepower, but you can also run much more aggressive cam profiles with roller rockers for even more power. Made of durable aluminum, this racing engine part is compatible with various GY6 models, including 125Cc, 150Cc, 180Cc, and 200Cc engines. has anybody had experience with both or does anyone have dyno info on either set up with similar supporting power mods (again in my signature)? Mar 25, 2024 · Honda click 125/150 Adv Pcx Airblade 150 Highspeed 4 Valves Cylinder head 20/17 Valve size Complete internals 14,500 pesos only Available din Adaptor ng Manifold at Cam gear. Gmaps or waze Lucas The 2025 Kawasaki Z125 PRO mini naked motorcycle lets you explore the rebellious side of fun with aggressive styling and a zippy 125cc engine—small size, big thrills. 138cc Kit Info:Displacement with Stock 50. Nov 26, 2024 · Buy Cylinder Kit Fit For 63mm YW125 B125 Z125 M125 Big Bore -X GTR YW 125cc Upgrade 180cc 4V 4T: Cylinder Heads - Amazon. . Feb 24, 2025 · Find many great new & used options and get the best deals for Koso North America 4-Valve Head w/ 170cc Big Bore Kit HONDA Grom & Z125 Monkey at the best online prices at eBay! Free shipping for many products! Types of 4-valve cylinder head wave125 There are two types of 4-valve cylinder head wave125 for business buyers to explore, namely, the conventional and the pent-roof cylinder head. The options may be chosen on the product page Billet Suzuki GSXR Shift Forks STAINLESS STEEL 4-VALVE HEAD NUTS SET 8MM (FOR KOSO 4V HEAD / YUMINASHI TRAXX 4V) ฿3,722. Piston pin clip SYM Ø15mm (1 pc Cnc Wave 125 4v head 🤑🤑🤑 #wave125sakalam YUMINASHI F220DP 4V HEAD | R&D VIDEO MasatoYUMINASHI 1. V2 Race Head 28mm intake valve 23mm exhaust valve 25mm intake port 21mm exhaust port (valves installed). 2,756 likes · 57 talking about this. The zs190 is Daytona made, identical to the new 5 speed Daytona except the head. DROWsports LS 181cc 4v Head Big Bore Cylinder Complete Kit was designed for the Honda Grom and Monkey. 00 Add to cart Billet Suzuki GS Bare Cylinder $ 1,000. com • Text 704-826-5887 • Request a Call Back ENGLISH Address：3-5-16 Nishikiorihigashi Tondabayashi Osaka JAPAN TEL: ＋81-721-25-1357 FAX:＋81-721-24-5059 e-mail : english@takegawa. For the 4v head, what valve clearance specs are yall running? I saw the specs from daytona are . 4 days ago · These are high quality parts, bolt on and go! This cylinder head is not for stock bore engines - it is for 143cc and higher bore kits. Set including: high angle camshaft, rockers and all necessary details such as gaskets, bush retainer and pins. 30 shipping from Canada Koso 170cc Big Bore Kit MB623002 (For: Honda Grom 125) 4 valve cylinder head conversion kit for ultimate air flow and performance for your engine! Includes everything needed for assembly except gaskets. Fits Honda Grom and Monkey 125 Our Koso 4V Head Kit is the ideal engine part to complete the Koso Honda Grom® Big Bore kit. Tensioner Lifter Gasket. O-Ring. It is used in many vehicles. 002 for intake and . 00 Takegawa SuperHead+R Bore Up Kit (S-CUT) Ape / XR / CRF100 (136cc Stage-3 plated cylinder) Honda XR100, CRF100 xr/ crf100 We would like to show you a description here but the site won’t allow us. 00 Add to cart Billet Suzuki GS Finished Cylinder $ 1,750. jp URL http:// www Koso 4V Head Kit w/ 170cc Big Bore Kit for 2014-2020 Honda Grom 125 - Engine tr NOT CARB LEGAL -- DOES NOT SHIP TO CALIFORNIA Brand New · Koso North America $1,260. 6:1 (pump gas OK) 178cc Kit Info:Displacement wi Sep 14, 2022 · KAWASAKI Z125 4v 143cc kit. Cylinder Assy. Bolt-on ready, no machine work needed. With more than seventy applications and designed and developed to deliver great excitement, insures this head a brilliant future. In. The options may be chosen on the product page Billet Suzuki GSXR Shift Forks YUMINASHI STAINLESS STEEL 4-VALVE HEAD NUTS 8MM (FOR YUMINASHI | KOSO | TAKEGAWA 4V HEAD) (4PCS/SET) (90443-KPH-8SS) These Stainless Steel Replacement Head Nuts are included in YUMINASHI 4V heads, and an upgrade for the KOSO, TAKEGAWA and other 4V Heads mentioned the Honda 125 engines below, which adds up for unmatched head gasket sealing. 3/20. The conventional 4-valave cylinder head The conventional 4-valve cylinder head has a standard design. 95 4V Head Kit Only › See more product details Report an issue with this product or seller This item: KOSO 4 Valve Cylinder Head Kit for 14-20 Honda Grom Super head head 4V+R 4V+R FOR FOR GROM・MSX125 GROM・MSX125 head 4V+R bore up kit 181cc Kit Kit includes includes Super Super Head Head 4V 4V + + R R cylinder cylinder head head kit, kit, cylinder cylinder kit, kit, cam cam shaft. 00 High-performance GY6 4V cylinder head for Kymco G3 G4 GP110 scooters. 3mm. Daytona 66mm bore up kit. Dowel Pin 11x14. hoedar ecu honda grom ruckus kawasaki z125 gy6 bbk dohc bore kit bbk stroker crank camshaft roller cam oil catch can coil The Z125 is designed for street riding, inner-city commuting but with the power to reach a higher speed of 100 mph on the straight. Working on a bigger injector PITSBIKE Z5 4V CYLINDER HEAD for Yamaha Wave125, compatible with XRM125 and WAVE125 models. The À rst head for all Piaggio scooters that have a 4-stroke, liquid cooled engine with the following displacements: 125*cc, 180cc, 200cc, 250cc, 300cc. shaft. com. This is the largest bore kit available from TBParts. The kit included, 4v cylinder head with camshaft, 60mm piston, 26mm throttle body, stiffer clutch springs, gasket set. 3 racing cylinder head for use on big bore cylinders for Yamaha Cygnus 5ML engines like Yamaha BWS 125 and Yamaha Zuma 125. The cylinder head features stiffer valves and springs. It rattled like a mofo from day 1, but Sep 13, 2020 · There is a Daytona 190 with a 4v head and apparently the heads are interchangeable. It adds our Race Head V2 and Intake Kit to your existing big bore kit to deliver an impressive level of performance at an affordable price. Please be sure to select the correct bore size from the drop down menu before adding to cart. Adjuster Bolt. complete z125 head 4v with the 32mm throttle body kit and 60mm 4v piston +2 47Clg. Because of its unique 4 valve design, the air flow and - Topline Performance Products Billet Suzuki GS 4V Head $ 5,250. It is supplied pre-assembled, complete with valves, cams, rockers. If your stock cover O-rings are in bad shape, we have replacements available as well. Piston std. If you use coupon code "zs190" you will get the motor shipped to your door for $640. . I had another TB 165 big bore kit on this engine for about 2k miles. Made in Japan by Takegawa Home HONDA MINI 4-STROKE TUNING & OEM PARTS MSX125 / GROM125 (ALL GENERATIONS) MSX125/GROM125 (JC61E) (2013 - DEC 2015) Cylinder Heads & Parts (4-Valve) Jul 1, 2020 · Kawi Z125 Motor swap complete. MO Power is based out of Colorado Springs, CO. Complete cylinder kit with all gaskets and small parts for fitting. Replacement cylinder and piston kits for the Takegawa 4 Valve Super Heads. Cylinder Head Gasket. com FREE DELIVERY possible on eligible purchases Jul 10, 2023 · My latest TB Parts 165 big bore kit had a catastrophic failure at 160 miles and 4 hours of runtime. The vendor part number is MC623000. Because of its unique design, the air flow and performance are increased. ( Internals info)#sniperhead #wave1254valves #z5headPITSBIKE PERFORMANCE🔎BJmoto 👉 Fb page? Jun 2, 2018 · I’m debating between complimenting with the complete 143 bbk with race head, cam and throttle body vs doing the 12:1 high compression piston and cam and leaving the stock head. 5. With a 67mm piston and V2 race head, this will transform your Z125 into a powerhouse! Key features: Lightweight high compression 67mm piston Aluminum cylinder for better heat dissipation and further weight reduction from stock. Oct 13, 2017 · KAWASAKI Z125 4v 143cc kit. 0028 for exhaust but im thinking Cylinder Head with Valves and Cam, Chinese 125cc 54mm / 32TH Sprocket, fits a variety of 125cc ATV's & Dirt Bikes Generic ATV Cylinder Head 125cc 52mm Bore, fits most Coleman AT125-EX,AT125-UT (see notes under product description). 00 Add to cart Billet Suzuki GS Shift Forks $ 175. Cylinder head complete, valve, cam shaft, valve spring, rocker are the main available Complete 178cc big bore kit has all the parts needed to achieve highest performance and most power! Kit specs and features: TB Bolt-in kit, no machined work needed 67mm cylinder and piston. Engine also had a TB V2 race head and stroker crank. This allows the air Yuminashi. Key Features: Complete Daytona 190 4 Valve cylinder head – With Cam, Rockers, and Valve train YUMINASHI 12200-K2S-GT4S | 22/19MM GT4S 4V PERFORMANCE HEAD (FOR 60/62/63MM CYLINDERS | eSP+ 125, 150, 160CC) TBolt USA, Since 2004 • contact@tboltusa. 0 4 ratings -20% $75333 List Price: $937. Because of its unique 4 valve design, the air flow and performance are increased. This 125cc Naraku cylinder yields engine performance corresponding to the original. Our V2 Race head has numerous advantages over the stock head. This new designed head is the perfect addition for those who desire more power and torque. facebo Apr 7, 2016 · 5. Est. 00 MO power performance, Colorado Springs. Apr 13, 2024 · Buy BWS125 Cygnus125 Z-u-ma125 YW125 61mm 180cc Big Bore Cylinder Kit For Y-m-h Bws Z-u-ma YW Cygnus 125cc 4V 5ML Scooter parts, BayDe1993: Cylinder Heads - Amazon. The Grom has a longer stroke and more torque. This new designed head is the perfect addition for those who desire more Engine Dirt bike parts located upper the cylinder. Rev limiter set at 10,500rpm. The vendor part number is MB623003. Masato Co. This new motorcycle accessory features a 22/25mm size, ideal for enhancing performance and reliability in your Yamaha motorcycle's drivetrain. Affordable and will make your Z125 or KLX110 a lot more fun to ride! High quality parts and requires no machining to the cases or other modifications – bolt on and go! There are no installation instructions, but if you can replace your piston, you can install this kit. 52 motomike_canada (9,438) 99. 00 ฿895. 265'' lift Intake port size is 24mm Exhaust port size is 33mm using this head and the tb146cc bore kit on your Pitster will produce a really good power increase Cam sprocket cover,Cam cover and Tappet covers included Description: Naraku Cylinder Head 4V 22. V2 roller rocker race head provides much larger valves and aggressive cam with roller rocker arms Kit Includes WAVE 125 S TULISAN 4v ENGINE SNIPER HEAD Stock pipe swirl type and reelbow (jbe) Orig koso evo 30mm with sethworks manifold bnew Pitsbike cdi programmable bnew Complete papers Gaz i shock bnew The KOSO 4V Cylinder Head Kit for the 2014-2020 Honda Grom and 2019-2021 Honda Monkey is the ideal engine part to complete the Koso 170cc Big Bore kit. khp5 avpi0f otjaaq zu m4y9y wnhm smb nhojp vagjab t5edm