Golden Eagle Sleeved Block with Customer Core - F Series

Honda F20C1, F22C1, F22A1, F23 Block Sleeving Service ***Core Required*** Shipping Not Included Return shipping will be added once your block is completed. Customers are responsible for both inbound and return shipping costs. If needed, we can provide a shipping quote and assist with arranging transportation. Included Services Step Deck Bore & Hone Why Sleeve Your Engine? High-horsepower builds are the primary reason enthusiasts choose to sleeve their engines. Factory cylinders can only withstand a certain amount of power and cylinder pressure before reliability becomes a concern. The most common reasons for sleeving an engine include: High-Boost Applications – You plan to run a turbocharger producing 20+ PSI of boost. Increased Displacement – You want to increase engine displacement, whether naturally aspirated or turbocharged. Block Restoration – Your engine has cracked cylinders, severely damaged cylinder walls, piston slap damage, or valve-related cylinder damage. The Golden Eagle Difference At Golden Eagle Manufacturing, our sleeves are not simply liners—they are complete replacement cylinders engineered for maximum strength and durability. Our design is guaranteed against sinking and cracking, eliminating the common issues associated with OEM cylinders and inferior sleeve systems. For decades, we have refined our sleeving process to deliver a product that enables customers to achieve their horsepower goals without compromising reliability. Every sleeve is manufactured and installed in-house from raw material, allowing us to maintain strict quality control throughout the entire process. Typical turnaround time for basic sleeving services is 6–8 weeks. Proudly Made in the USA All Golden Eagle sleeves are designed, manufactured, and installed in the USA. After Purchase Once your order is confirmed, a member of our team will contact you by phone to review your details and provide block packaging and shipping instructions. Please include a valid phone number with your order.