ARC Performance SBC Rubber And Steel Sump Gasket.

• Reusable "thick" style gasket
• Rubber and steel construction
• Fits all Small Block Chev engines with left hand dipstick
• Suit 283 327 350 383 400 with 2 piece rear main seal blocks
• High quality gasket specifically designed for an ideal fit and seal

If you are not sure of the original application or model year of the oil pan you plan to use for your small block Chevy build, you can take two simple measurements to determine the correctoil pan gasketneeded. By measuring the width and depth of the front seal area you can confirm if the oil pan in question uses a thick or thin oil pan gasket.

• Thin oil pan gasket will measure 5-1/2-inch wide and 2-1/4-inch deep
• Thick oil pan gasket will measure 5-3/4-inch wide and 2-3/8-inch deep