--- product_id: 115043934 title: "GOOFIT 40mm 40-6 Cylinder Head Piston ring Kit Replacement For 47cc 49cc 2 Stroke Engine Mini Dirt bike ATV Quad Pocket bike" brand: "goofit" price: "€ 0.14" currency: EUR in_stock: true reviews_count: 5 url: https://www.desertcart.pt/products/115043934-goofit-40mm-40-6-cylinder-head-piston-ring-kit-replacement store_origin: PT region: Portugal --- # Complete Kit Bore: 40mm Piston Diameter: 12mm GOOFIT 40mm 40-6 Cylinder Head Piston ring Kit Replacement For 47cc 49cc 2 Stroke Engine Mini Dirt bike ATV Quad Pocket bike **Brand:** goofit **Price:** € 0.14 **Availability:** βœ… In Stock ## Summary > πŸš€ Upgrade Your Adventure with GOOFIT! ## Quick Answers - **What is this?** GOOFIT 40mm 40-6 Cylinder Head Piston ring Kit Replacement For 47cc 49cc 2 Stroke Engine Mini Dirt bike ATV Quad Pocket bike by goofit - **How much does it cost?** € 0.14 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/115043934-goofit-40mm-40-6-cylinder-head-piston-ring-kit-replacement) ## Best For - goofit enthusiasts ## Why This Product - Trusted goofit brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **100% New & Unused:** Experience top-notch performance with brand new components. - β€’ **All-In-One Package:** Includes everything you need: cylinder body, piston, gasket, and more. - β€’ **Revitalize Your Ride:** Transform your 2-stroke engine with this high-quality replacement kit. - β€’ **Precision Engineering:** Designed for 43cc, 47cc, and 49cc mini dirt bikes and ATVs. - β€’ **Customer-Centric Support:** We're here for you before and after your purchaseβ€”your satisfaction is our priority! ## Overview The GOOFIT 40mm Cylinder Head Piston Ring Kit is a comprehensive replacement solution for 47cc and 49cc 2-stroke engines, perfect for mini dirt bikes and ATVs. This kit includes a cylinder body, piston, gasket, piston ring, clips, and piston stud, ensuring a complete overhaul for optimal performance. With a bore of 40mm and a piston diameter of 12mm, this high-quality, brand new kit is designed for easy installation and reliability. ## Description Pls confirm The size of the product meets your requirements before you purchaseNote:please allow 0.5-1 inch difference due to manual measurement.1inch=2.54cm.Replacement for:2 stroke 43cc 47cc 49cc mini quad pocket bikeCharacteristic:Easy to install, using high-quality materials. Review: Good - Very good thank you Review: Please check fittings before order - Did not fit so returned ## Features - Replacement for 2 stroke 43cc 47cc 49cc mini quad pocket bike. - Size:Bore:40mm/1.57",exhaust bolt hole spacing:40mm/1.57",bolt hole spacing:50mm/1.96",piston diameter:12mm/0.47". - Easy to install, using high-quality materials. - Please check the model number, size, and picture before ordering to make sure this is the correct part. - Package including:Cylinder Head x 1pcs,piston kit x 1set,GOOFIT keychain x 1pcs. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00UL37338 | | Best Sellers Rank | 252,167 in Automotive ( See Top 100 in Automotive ) 69 in Motorbike Pistons & Rings | | Brand | GOOFIT | | Customer Reviews | 3.4 3.4 out of 5 stars (23) | | Date First Available | 30 Aug. 2018 | | Item Weight | 340 g | | Manufacturer | GOOFIT | | Manufacturer part number | Group-110 | | Manufacturer reference | Group-110 | | Package Dimensions | 12.8 x 9.4 x 8 cm; 340 g | ## Images ![GOOFIT 40mm 40-6 Cylinder Head Piston ring Kit Replacement For 47cc 49cc 2 Stroke Engine Mini Dirt bike ATV Quad Pocket bike - Image 1](https://m.media-amazon.com/images/I/61REp9t+abL.jpg) ![GOOFIT 40mm 40-6 Cylinder Head Piston ring Kit Replacement For 47cc 49cc 2 Stroke Engine Mini Dirt bike ATV Quad Pocket bike - Image 2](https://m.media-amazon.com/images/I/61sKCG9wlDL.jpg) ![GOOFIT 40mm 40-6 Cylinder Head Piston ring Kit Replacement For 47cc 49cc 2 Stroke Engine Mini Dirt bike ATV Quad Pocket bike - Image 3](https://m.media-amazon.com/images/I/51l-YY1fPYL.jpg) ![GOOFIT 40mm 40-6 Cylinder Head Piston ring Kit Replacement For 47cc 49cc 2 Stroke Engine Mini Dirt bike ATV Quad Pocket bike - Image 4](https://m.media-amazon.com/images/I/61SsQCvSOUL.jpg) ![GOOFIT 40mm 40-6 Cylinder Head Piston ring Kit Replacement For 47cc 49cc 2 Stroke Engine Mini Dirt bike ATV Quad Pocket bike - Image 5](https://m.media-amazon.com/images/I/61bEiA9mENL.jpg) ## Questions & Answers **Q: Hiya will this fit a Lem 50 kids motorbike?** A: This wont fit a lem as a lem piston is 39mm also the head is different ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good *by A***L on 24 October 2022* Very good thank you ### ⭐⭐ Please check fittings before order *by T***E on 10 November 2025* Did not fit so returned ### ⭐⭐⭐⭐⭐ Great quality from this brand yet again *by L***U on 25 May 2024* Review from my husband: My 16-year-old lad has a tiny 50cc pit bike that seems to be a bit sloppy in the old engine department, like a bit sluggish and seems to have lost its zing, so I'm doing an engine rebuild to give it a new lease of life. I went to Amazon to source my parts as I know goo fit very well and I came across this. Basically, this is the cylinder head piston rings piston so it has everything you need to get cracking and really get stuck into that engine overhaul. It's all great quality gear and very comprehensive, as always with goo fit, they're great. The price is exceptional really, 14 quid is a bargain in anyone's books. The cylinder body bolted straight on and was a doddle to fit. You obviously need to know a bit about ICUs as no instructions are included, but apart from that, it's great. Excellent value. 5/5 --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/115043934-goofit-40mm-40-6-cylinder-head-piston-ring-kit-replacement](https://www.desertcart.pt/products/115043934-goofit-40mm-40-6-cylinder-head-piston-ring-kit-replacement) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-04-23*