Speedmaster PCE251.1005 Chevy SBC 350 Flat Guide Plates 5/16" Pushrod 7/16" Stud - 2 Piece Adjustable

The Speedmaster PCE251.1005 Chevy SBC 350 flat guide plates are engineered rocker arm guide components designed for small-block Chevrolet 350 engine builds. These 2-piece adjustable plates feature a 5/16" pushrod specification and 7/16" stud hole sizing, making them a direct fit for SBC valvetrain assemblies requiring precision guiding surfaces.

Flat guide plates provide stable support and alignment for pushrods and rocker arm geometry, critical for maintaining proper valve lift, duration, and engine performance across a variety of small-block Chevrolet applications. The adjustable design allows for fine-tuning of rocker arm preload and geometry to match your specific camshaft and cylinder head configuration. Whether you're assembling a stock rebuild or a high-performance stroker, these Speedmaster guide plates deliver the fitment accuracy and durability needed for long-term engine reliability.

Key Features & Benefits

• Chevy SBC 350 Fit: Precision-engineered guide plates sized and drilled for direct installation on small-block Chevrolet 350 engines.
• 5/16" Pushrod Specification: Accommodates standard SBC pushrod diameter for secure alignment and support.
• 7/16" Stud Hole: Matches common SBC rocker arm stud sizing for proper fastening and preload adjustment.
• 2-Piece Adjustable Design: Separate component pieces enable fine-tuning of rocker arm geometry and pushrod clearance.
• Flat Profile: Flat guide surface provides stable support for rocker arm and pushrod alignment without obstruction.

Specifications

Ideal Applications

• Stock Chevy SBC 350 engine rebuilds requiring factory-spec valvetrain geometry
• High-performance small-block Chevrolet builds with custom camshaft and rocker arm combinations
• Engine swaps and conversions using SBC 350 powerplants in classic vehicles
• Drag racing and street performance small-block Chevrolet applications