Oil Pan Gasket - 0.094 in Thick - Trimmed - Multi-Piece - Steel Core Rubber Coated Fiber - Driver Side Dipstick - Aftermarket Block - Small Block Chevy - Kit MPN - R2 THE SIDE RAILS ARE TRIMMED FOR STROKERS. THICK & THIN FRONT SEAL, FITS STRAIGHT RAIL PAN & LEFT HAND DIPSTICK. Vendor FEL-PRO Truck Freight-- NO