Valve Spring Compressor C Clamp Tool Set Service Kit What it is - A complete valve spring compressor kit with 5 adaptors to correctly fit, install, and remove automotive valve springs. Suitable for motorcycles, ATVs, UTVs, cars, and other small engine vehicles and equipment. All collets are 1.75 inches (4.4 cm) long with a maximum jaw opening of 9.5 inches (24.1 cm). Construction and durability - Forged steel construction provides superior strength and hardness. - The C-clamp will not bend or twist under the stress of compressing valve springs. - Oxide finish resists rust and corrosion. - Each part has a smooth surface for easy use under high compression. Contents and packaging - 1 x Spring Compressor "C" Clamp - 5 x Adaptors - 3 x Extension Screws - 1 x Compression Bar - 1 x Storage Case - Packaged in a high-impact case that holds each part securely, keeping the kit organized during storage or transport. The case stacks for convenient storage. Brand, compatibility and coverage - The Orion Kit comes fully stocked with 5 collets to fit hundreds of makes and models, such as motorcycles, ATVs, cars, and other small engines. Benefits and use - Facilitates safe and efficient compression of valve springs for removal or installation. - Durable design withstands repeated use without deformation. - Rust- and corrosion-resistant finish helps extend service life. - Smooth surface finish enables easy operation under high compression. Use scenarios - Replacing valve springs on a sport motorcycle engine during routine maintenance. - Servicing valve springs on an ATV or UTV engine, including utility vehicles. - Performing valve spring maintenance on a small car engine or other small engines in a workshop setting.