Guide Plates - 5/16in - SBF

The Edelbrock Guide Plates - 5/16in - SBF (Small Block Ford) are precision-engineered pushrod stabilizers designed to keep your valvetrain geometry locked in tight during high-rpm operation. If you've rebuilt or modified your Small Block Ford engine with aftermarket camshafts, rocker arms, or cylinder head work, these guide plates are essential insurance against pushrod walk—a condition where pushrods migrate laterally under load, causing misfires, valve float, and catastrophic internal damage. Built as a complete set of eight, they deliver consistency across all eight cylinders for balanced power delivery.

Manufactured from hardened steel with a black oxide finish, the Guide Plates - 5/16in - SBF feature a flat profile that seats securely on the cylinder block, constraining 5/16-inch pushrods in their proper plane. The flat design minimizes rotating mass while maximizing support surface contact, critical for engines pushing beyond 6,000 rpm or running aggressive valve timing. Black oxide coating resists corrosion and blends seamlessly with engine block finishes during restoration or performance builds. At just 1.04 pounds for the complete set of eight, weight penalty is negligible—the structural benefit far outweighs the minimal mass addition.

Performance enthusiasts, restorers, and engine builders working on Small Block Ford platforms—whether carbureted 289s, 302s, or 351W variants—recognize guide plates as a cornerstone upgrade for reliability above stock power levels. Installation is straightforward: they bolt directly to the cylinder block between the pushrod and block surface, requiring minimal modification to existing engines. Mandatory for any combination running roller rockers, higher-lift cams, or sustained high-rpm operation. Whether you're assembling a street machine, vintage racer, or upgraded daily driver, this set of eight ensures your valvetrain stays where Edelbrock designed it to be.