GSC Power Division Intake Valve Guide Set for Toyota/BMW B58 & BMW S58 Mangan...

GSC Power Division Intake Valve Guide Set for Toyota/BMW B58 & BMW S58 Brand: GSC Power Division Precision-engineered intake valve guide set manufactured from manganese bronze for superior wear resistance and thermal stability. Designed specifically for Toyota/BMW B58 and BMW S58 engines, this kit includes integrated stoppers and is supplied as a complete set of 12 . Direct fit for B58 and S58 cylinder heads — simplifies installation and ensures correct valve alignment. Manganese bronze construction for long-lasting durability, reduced valve stem wear, and improved lubrication retention. Integrated stoppers prevent guide migration and maintain consistent valve-to-guide clearance under high-load or high-rpm conditions. Set of 12 covers all intake positions for a single head replacement or rebuild. Ideal for performance builds, track use, and high-mileage engine restoration. Upgrade to GSC Power Division intake valve guides to improve engine reliability, maintain valve seal and stability, and protect critical valvetrain components under demanding conditions.