Fel-Pro Performance head gasket, 396-572CID, BBC, 4.540" bore size.

Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions.

Features:

• PROPRIETARY COATING -- Nonstick anti-friction coating seals small surface imperfections.
• NO RETORQUE DESIGN -- Steel core helps eliminate the need for retorquing head bolts.
• SUPERIOR SEAL -- Precise embossed Printoseal sealing beads at all vital areas to eliminate leak paths.
• STRONG AND DURABLE -- Features graphite or reinforced fiber facing material and steel armor for strength and durability.
• DESIGNED FOR IMPERFECT SEALING SURFACES -- Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces.
• Sold each. 

Technical specifications:

• Material: Stainless Steel Core Laminate.
• Thickness: 0.039".
• Grade Type: Performance.
• Gasket Sealant Included: No.
• Engine Displacement: 396, 402, 427, 454, 502, 510, 540, 572.
• Combustion Chamber Volume: 10.50cc.
• Application Notes: Cast Iron Or Aluminum Heads - Suitable For Marine Applications.
• Product Notes: Fits Gen IV Pass. Car And H/P Block; Pre-1971 Blocks May Require Modification; Fits Gen IV Truck And Bow Tie Block; Fits Gen V Block; Fits Gen VI Block; One Coolant Hole Per End; Three Lower Coolant Holes; Minimal Brinelling Of Aluminum Heads.
• Engine Family: Chevrolet V8 Big Block.
• Mfg: GM Performance.
• Bore Size: 4.540".
• Combustion Seal Design: Pre-Flattened Steel Wire.