Chevy GM LS3 L92 Guide Plates 5/16" Pushrod 1 Piece Set of 8 Speedmaster crankcase evacuation systems are

Speedmaster crankcase evacuation systems are primarily drag race systems designed to reduce pressure buildup in the engine crankcase

Providing performance and style with its polarized lens reducing glare reflections from mirrors

Choose long or short styles in a natural or shiny polished finish

The 10" diameter construction reduces rotational weight reducing scavenging of horsepower

To remain street legal with a square bore carb

Chevy GM LS3 L92 Guide Plates 5/16" Pushrod 1 Piece Set of 8 Speedmaster crankcase evacuation systems areYou need guideplates to keep your pushrods from deflecting under high rpm conditions. That's just what our Speedmaster guideplate sets do, they are made from 5140 Chromoly steel, nitrided and black oxide coated for corrosion and wear resistance.