Genius Tools Spark Plug Socket Set 4 Piece Metric 3/8 Inch Drive Thin Wall Design Chrome Vanadium Steel - SP-304A

Genius Tools Spark Plug Socket Set 4 Piece Metric 3/8 Inch Drive Thin Wall Design Chrome Vanadium Steel - SP-304A Spark Plug Socket Set

SP-304A is a 4-piece 3/8 inch drive spark plug socket set built for spark plug removal and installation with better access in tighter engine bays. The thin wall socket design helps reach recessed plugs, while the included ratchet and extension support controlled work at varied angles.

Constructed from chromium-vanadium steel alloy for strength, durability, and anti-corrosive properties, this set is designed and made for professional technicians and long-term heavy use. It meets or exceeds ANSI standards and is backed by the Genius Tools limited lifetime warranty against manufacturer defects.

Key Benefits

• 4-piece spark plug socket set covers common metric spark plug sizes.
• 3/8 inch drive format pairs easily with standard automotive ratchets and extensions.
• Thin wall socket design improves access around tight plug wells.
• Flex head reversible ratchet adds control in confined or awkward spaces.
• 150mm extension bar helps reach spark plugs set deeper in the engine.
• Chrome vanadium steel alloy delivers strength and corrosion resistance.
• Meets or exceeds ANSI standards for dependable fit and performance.

What’s Included

• 3/8" Drive Flex Head Reversible Ratchet, 230mm (9")
• 3/8" Drive Extension Bar, 150mm (6")
• 16mm (5/8") Spark Plug Socket, 63mmL
• 20.6mm (13/16") Spark Plug Socket, 63mmL

Designed for consistent, repeatable spark plug service, this set combines the essential drive tools with two commonly used spark plug socket sizes. With durable materials, ANSI-aligned performance, and a professional-grade build, it supports day-to-day maintenance work without unnecessary complexity.