Enhance the reliability and performance of your engine with this heavy-duty rocker arm shaft assembly, built to withstand the demands of high-performance applications. High-Strength Construction: Made from Chromium-Molybdenum alloy steel shafts for superior durability and resistance to wear. Long-Lasting Durability: Built to withstand the demands of high-performance engines, ensuring reliability over time. Shop Dixon Valve & Coupling 4540SG at , which includes; Aluminum Gavity Dop Adapte, Size 4 Ford FE 352, 390, 410, 427, 428, Tunnel Ram, SOHC Rear Breather Cover... For Ford FE Engne Crankshaft Snout Sleeve #B8AZ-6359-A 352 360 390 410 Manufactured with high-strength Chromium-Molybdenum alloy steel, this rocker arm shaft assembly delivers exceptional durability and performance, making it perfect for restoration projects or performance upgrades. Direct Replacement: OE fitment for seamless installation without the need for modifications. Adjustable Rocker Arms Non-Adjustable Ocke Am Assembly Fo Fod FE Block Assembly Designed for precision manufacturing and durability, our products ensure easy installation. Precision Fit for FE Engines: Compatible with 352, 360, 390, 410, 427, and 428 FE Big Block V8 engines. Designed to fit 352, 360, 390, 410, 427, and 428 engines, this assembly ensures optimal valve train alignment and smooth operation. Upgrade your FE Big Block V8 engine with this Adjustable Rocker Arm Shaft Assembly, built for precision and durability. Each part undergoes rigorous testing and inspections to meet EngineQuest’s exact specifications.