{"product_id":"yamaha-banshee-400cc-big-bore-engine-rebuild-kit-ares-68mm","title":"Banshee 400cc ARES 68mm Athena Style Cylinder Kit Wiseco Piston Stock Stroke Kit","description":"\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: 0.000001px; color: transparent;\"\u003eGet Athena-style performance without the premium price. BPRATV Yamaha Banshee 400cc ARES 68mm kit with Nikasil cylinders, Wiseco pistons, and Hot Rods crank. A-BAN68LRC PD300 4001 A-12656M06800,4001,CBK0039,PD300,WPC100,S410485301023, S410485301024, P400485100024, 573M06800, 4111, CBK0044, PD300, 808812, 822154, BR8ES, K018, 10-301, B1005, 21.2020, 8101D200, 2GU-11311-00-00, 2GU-11321-00-00,2GU-11181-00-00, 2GU-11631-00-94, 2GU-11610-01-00, 4L0-11633-00-00, 93450-17129-00, 93310-316D6-00,3GG-11351-02-00, B0627020F, B0627018AFM, B0627015F, 99530-10114-00, IR019018AFM, MNB160210225A, 8055681300989, 29L-11400-30-00 29L-11412-00-00 29L-11401-09-00, 29L-11442-10-00, 93306-30571-00, 93310-523D2-00, 90209-22257-00, 29L-11651-00-00, 93306-30549-00 93103-25108-00\u003c\/span\u003e\u003c\/p\u003e \u003cdiv style=\"max-width:800px;margin:0 auto;font-family:Arial,Helvetica,sans-serif;line-height:1.5;color:#222;\"\u003e \u003ch2 style=\"text-align:center;font-size:26px;margin:0 0 12px 0;\"\u003e \u003cstrong\u003eBPRATV Banshee 400cc ARES 68mm Athena-Style Big Bore Complete Engine Kit\u003c\/strong\u003e \u003c\/h2\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003eAthena-Level Performance. Proven BPRATV Value.\u003c\/h3\u003e \u003cp style=\"text-align:center;\"\u003e \u003cspan style=\"font-size:16px;\"\u003e The \u003cstrong\u003eBPRATV Banshee ARES 68mm Cylinder Kit\u003c\/strong\u003e is engineered for riders who want serious horsepower, long-term reliability, and unbeatable value. Featuring a \u003cstrong\u003efactory pre-ported dune\/play port design\u003c\/strong\u003e, larger water jackets, and triple exhaust ports, this kit is designed as a true \u003cstrong\u003edrop-in \u0026amp; bolt-on\u003c\/strong\u003e solution for stock-stroke Yamaha Banshee builds. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e🔥 Built to Perform – Complete 400cc Motor Engine Rebuild Kit\u003c\/h3\u003e \u003cp style=\"text-align:center;\"\u003e \u003cspan style=\"font-size:16px;\"\u003e This complete top-to-bottom rebuild kit replaces higher-priced Athena cylinders with \u003cstrong\u003eBPRATV ARES Nikasil cylinders\u003c\/strong\u003e that deliver true performance porting—not marketing gimmicks. Designed to compete directly with Cub-style builds!\u003c\/span\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eBPRATV ARES 68mm Nikasil cylinders\u003c\/strong\u003e – \u003c\/span\u003epre-ported for dune\/play powerband\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eTriple exhaust ports\u003c\/strong\u003e with larger port windows for a wide, responsive powerband\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eLarger water jackets\u003c\/strong\u003e for superior cooling under high-load conditions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 16px;\"\u003e\u003cstrong\u003eTRULY PORTED – No Gimmicks, No Games.\u003c\/strong\u003e When we say ported, we mean it. \u003cstrong\u003eEvery cylinder is factory ported\u003c\/strong\u003e with a dune\/play design that delivers hard-hitting mid-range pull and screaming top-end power for all-around performance. \u003c\/span\u003e\u003cul\u003e\u003cli\u003e\u003cspan style=\"font-size: 16px;\"\u003eDon’t be fooled by \u003cstrong\u003e“Triple Ported”\u003c\/strong\u003e Cylinder claims — all that means is the cylinder has three exhaust ports (ours do too). What sets us apart is that our cylinders are actually performance-ported for real gains, not just marketing jargon. 😂\u003c\/span\u003e\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size: 16px;\"\u003e\u003cstrong\u003eBPRATV Custom Designed Wiseco Pro Lite Race Series 68mm Forged Pistons\u003c\/strong\u003e (pair) with rings, pins, and circlips\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 16px;\"\u003e\u003cstrong\u003eHot Rods complete stock stroke crankshaf\u003c\/strong\u003et\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eHot Rods\u003c\/strong\u003e Heavy-duty wrist pin bearings\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003ePro Design Cool Head\u003c\/strong\u003e with head stud kit and O-ring kit (The Original USA-Made Cool Head)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 16px;\"\u003e\u003cstrong\u003eCNC Billet Big Bore 68mm 22cc domes\u003c\/strong\u003e (Other CCs Available upon requests, subject to availability)\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eCometic \u003c\/strong\u003eone-piece custom fiber base gasket and intake gaskets\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eComplete Yamaha Banshee \u003cstrong\u003eengine gasket kit\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eComplete Yamaha Banshee \u003cstrong\u003eengine seal kit\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e📦 Extra Components Included at No Additional Cost\u003c\/h3\u003e \u003cp style=\"text-align:center;\"\u003e \u003cspan style=\"font-size:16px;\"\u003e This kit includes critical extras that many sellers charge separately, ensuring your build goes together correctly the first time. \u003c\/span\u003e \u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eBPRATV Talon Titanium Acorn Cap Nuts\u003c\/strong\u003e (Pro Design heads do not include nuts)\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eSet of four \u003cstrong\u003enew cylinder dowel pins\u003c\/strong\u003e – essential for any fresh build\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eNew pair of \u003cstrong\u003eNGK spark plugs\u003c\/strong\u003e for reliable first start-up\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e1-year manufacturer warranty for peace of mind*\u003c\/span\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e✅ Compatibility \u0026amp; Nikasil Advantages\u003c\/h3\u003e \u003cp style=\"text-align:center;\"\u003e \u003cspan style=\"font-size:16px;\"\u003e Designed for Yamaha Banshee YFZ350 models from 1987–2006. The \u003cstrong\u003eNikasil-plated aluminum cylinders\u003c\/strong\u003e provide superior durability, cooling, and piston life compared to traditional sleeves. \u003c\/span\u003e \u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eTransfers heat more efficiently to keep engine temperatures lower\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eHarder, smoother piston surface reduces friction and wear\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eLonger service life between rebuilds\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eLightweight aluminum design improves throttle response\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eProven across 392cc, 400cc, and 421cc Banshee builds\u003c\/span\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003eAthena vs CPI Cub vs BPRATV ARES\u003c\/h3\u003e \u003cp style=\"text-align:center;\"\u003e \u003cspan style=\"font-size:16px;\"\u003e Athena and CPI Cub cylinders have long been respected benchmarks in high-performance Yamaha Banshee builds. \u003cstrong\u003eAthena\u003c\/strong\u003e is known for proven durability and consistency at a premium price point, while \u003cstrong\u003eCPI Cub\u003c\/strong\u003e cylinders are recognized for race-focused power and Nikasil longevity. The \u003cstrong\u003eBPRATV ARES cylinder\u003c\/strong\u003e bridges the gap—delivering \u003cstrong\u003eAthena-level performance\u003c\/strong\u003e, strong power potential, and proven reliability with exceptional overall value for serious riders. \u003c\/span\u003e \u003c\/p\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e❓ Frequently Asked Questions (FAQ)\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e \u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eQ: Are these cylinders actually ported or just triple exhaust?\u003c\/strong\u003e\u003c\/span\u003e \u003cp style=\"text-align:left;margin:0 0 10px 0;\"\u003e \u003cspan style=\"font-size:16px;\"\u003e \u003cstrong\u003eA:\u003c\/strong\u003e TRULY PORTED – No Gimmicks, No Games. When we say ported, we mean it. \u003cstrong\u003eEvery cylinder is factory ported\u003c\/strong\u003e with a dune\/play design that delivers hard-hitting mid-range pull and screaming top-end power for all-around performance.\u003c\/span\u003e\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eQ: Can this kit compete with Athena or CPI Cub setups?\u003c\/strong\u003e\u003c\/span\u003e \u003cp style=\"text-align:left;margin:0 0 10px 0;\"\u003e \u003cspan style=\"font-size:16px;\"\u003e A: Yes. The BPRATV ARES cylinders bridge the gap, delivering Athena-level performance and Cub-style power at a fraction of the cost. \u003c\/span\u003e \u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eQ: Is race fuel required?\u003c\/strong\u003e\u003c\/span\u003e \u003cp style=\"text-align:left;margin:0 0 10px 0;\"\u003e \u003cspan style=\"font-size:16px;\"\u003e A: No. You can use race gas with proper tuning and jetting but it's not required. Premium Gas is recommended.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cp style=\"text-align:left;margin:0 0 10px 0;\"\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003c\/span\u003e\u003cstrong\u003eQ: Is everything needed for a full rebuild included?\u003c\/strong\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cp style=\"text-align:left;margin:0 0 10px 0;\"\u003e \u003cspan style=\"font-size:16px;\"\u003e A: Yes. This is a complete top-to-bottom rebuild kit that includes all the core components required for a proper \u003cstrong\u003e400\u003c\/strong\u003e\u003cstrong\u003ecc\u003c\/strong\u003e setup. These are the main parts that are absolutely needed for a complete rebuild; however, we always recommend additional items depending on the condition of your motor—such as a new transmission bearing kit, new cylinder water plugs, and many other optional upgrades and mods that are available. \u003c\/span\u003e \u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e🌟 Why Buy from BPRATV? Trusted Banshee Performance Experts 🌟\u003c\/h3\u003e \u003cp style=\"text-align:center;margin:0 20px;\"\u003e \u003cspan style=\"font-size:16px;\"\u003e At BPRATV, our promise is unwavering: \u003cstrong\u003eThe Best Parts. The Best Performance. The Best Price.\u003c\/strong\u003e Every ARES kit is tested across real-world Banshee builds to deliver reliable, repeatable power. Trust BPRATV to keep your Yamaha Banshee running at its best, \u003cstrong\u003eevery single time.\u003c\/strong\u003e \u003c\/span\u003e \u003c\/p\u003e \u003cp style=\"text-align:center;margin:0 20px;\"\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp style=\"text-align:center;margin:0 20px;\"\u003e \u003cspan style=\"color:#38761d;font-size:16px;\"\u003e \u003cstrong\u003e\u003cem\u003e🔥 Upgrade your Yamaha Banshee with the ARES 68mm Cylinder Kit – power, precision, and reliability in one package! 🔥\u003c\/em\u003e\u003c\/strong\u003e \u003c\/span\u003e \u003c\/p\u003e \u003cp style=\"text-align:center;margin:0 20px;\"\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp style=\"text-align:center;margin:0 20px;\"\u003e \u003cspan style=\"color:#0000ff;font-size:16px;\"\u003e \u003cstrong\u003eBPRATV - The Best Parts. The Best Performance. The Best Price.\u003c\/strong\u003e \u003c\/span\u003e \u003c\/p\u003e \u003cp style=\"text-align:center;margin:0 20px;\"\u003e \u003cspan style=\"color:#0000ff;font-size:16px;\"\u003e \u003cstrong\u003eBRAPPPPPPPPPP!\u003c\/strong\u003e \u003c\/span\u003e \u003c\/p\u003e \u003cp style=\"text-align:center;font-size:10px;color:#555;margin:20px 0 0px;\"\u003e © BPRATV LLC 1-year limited warranty from the manufacturer for material or workmanship defects.*\u003cbr\u003e\u003cbr\u003e Due to the nature of high performance and racing applications, BPRATV LLC components are sold without express or implied warranty. This product is exempt from emission standards under 40 C.F.R. § 1051.620 and is sold for closed-course competition use only. \u003c\/p\u003e\n\u003cp style=\"text-align:center;font-size:10px;color:#555;margin:20px 0 0px;\"\u003e\u003c\/p\u003e \u003c\/div\u003e \u003c!-- SEO SETS (400cc STOCK STROKE) 1. Meta Title: Yamaha Banshee 400cc ARES 68mm Big Bore Engine Kit | BPRATV Meta Description: Complete Yamaha Banshee 400cc big bore engine kit with ARES 68mm Nikasil cylinders, Wiseco pistons, and stock-stroke crank. URL Handle: bpratv-yamaha-banshee-400cc-ares-68mm-big-bore-kit 2. Meta Title: Banshee 400cc Big Bore Kit ARES 68mm | Athena-Style Power Meta Description: Build reliable power with the BPRATV ARES 68mm Yamaha Banshee 400cc big bore kit. Drop-in, bolt-on performance. URL Handle: banshee-400cc-ares-68mm-athena-style-big-bore-kit 3. Meta Title: Yamaha Banshee 400cc Engine Rebuild Kit | ARES Nikasil Meta Description: Complete stock-stroke Yamaha Banshee 400cc rebuild kit with Nikasil cylinders, forged pistons, and premium components. URL Handle: yamaha-banshee-400cc-engine-rebuild-kit-ares-nikasil 4. Meta Title: BPRATV ARES 68mm Big Bore Kit for Yamaha Banshee 400cc Meta Description: ARES 68mm big bore kit for Yamaha Banshee 400cc builds featuring dune\/play ported Nikasil cylinders. URL Handle: bpratv-ares-68mm-big-bore-kit-yamaha-banshee-400cc 5. Meta Title: Yamaha Banshee 400cc Big Bore Performance Kit | BPRATV Meta Description: Proven Yamaha Banshee 400cc performance kit with ARES Nikasil cylinders, Pro Design head, and stock-stroke reliability. URL Handle: yamaha-banshee-400cc-big-bore-performance-kit 6. Meta Title: Banshee 400cc ARES Big Bore Kit | Nikasil Cylinders Meta Description: Upgrade your Yamaha Banshee with a 400cc ARES big bore kit featuring Nikasil-plated cylinders and premium cooling. URL Handle: banshee-400cc-ares-big-bore-nikasil-cylinder-kit 7. Meta Title: Yamaha Banshee 400cc Stock Stroke Engine Kit | ARES 68mm Meta Description: Stock-stroke Yamaha Banshee 400cc engine kit with ARES 68mm cylinders for reliable all-around performance. URL Handle: yamaha-banshee-400cc-stock-stroke-engine-kit-ares 8. Meta Title: Banshee 400cc Dune Play Big Bore Kit | BPRATV ARES Meta Description: Built for dune and play riding, this Yamaha Banshee 400cc big bore kit delivers strong mid-range and top-end power. URL Handle: banshee-400cc-dune-play-big-bore-kit-bpratv-ares 9. Meta Title: BPRATV Yamaha Banshee 400cc Nikasil Big Bore Kit Meta Description: Premium Yamaha Banshee 400cc Nikasil big bore kit with ARES cylinders and forged pistons. URL Handle: bpratv-yamaha-banshee-400cc-nikasil-big-bore-kit 10. Meta Title: Yamaha Banshee 400cc Complete Engine Kit | BPRATV ARES Meta Description: Complete Yamaha Banshee 400cc engine kit featuring ARES 68mm cylinders, cooling upgrades, and proven reliability. URL Handle: yamaha-banshee-400cc-complete-engine-kit-bpratv-ares --\u003e","brand":"BPRATV","offers":[{"title":"Default Title","offer_id":45589539324101,"sku":"287055720631\/J\/BAN68LRC\/13077M06800\/4001\/PD300A","price":1488.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/1083\/3861\/files\/banshee-ares-68mm-athena-style-cylinder-421cc-stroker-crank-pistons-pro-head-cub_5b1749e4-eb7f-4806-a3eb-233ee345f41a.png?v=1767669836","url":"https:\/\/bpratv.com\/products\/yamaha-banshee-400cc-big-bore-engine-rebuild-kit-ares-68mm","provider":"BPRATV","version":"1.0","type":"link"}