These are Dave's super jet design. Works on methanol only. Disclaimer & Terms of Use By purchasing or installing the DMR Super Jet (“the Product”), the buyer acknowledges and agrees to the following: Tuning Responsibility Proper jetting, tuning, and engine setup remain the full responsibility of the owner, operator, mechanic, or shop performing the work. The Product does not guarantee correct tuning, increased performance, or protection from improper jetting or adjustment errors. No Returns / No Refunds Due to the nature of performance parts and fuel-system components, all sales are final. There are no returns, exchanges, or refunds for this Product under any circumstances. Assumption of Risk The buyer understands and agrees that improper installation, tuning errors, fuel-related issues, or using the Product on incompatible models may result in engine damage, performance loss, or unsafe operating conditions. DMR (Dave Moore Racing) assumes no responsibility for any engine damage, mechanical failure, or personal/property injury resulting from installation or use of the Product. The buyer accepts full responsibility for all outcomes and risks. Aftermarket Component Notice The Product is an aftermarket performance part and is not endorsed, designed, or supported by Honda or any OEM manufacturer. Use of aftermarket parts may void factory warranties or interact differently with worn, modified, or non-OEM components.