Scat Excalibur Forged Crankshaft - 4.000 in Stroke - Internal Balance - 2-Piece Seal - Small Block Chevy 7-400-4000-6000 36002BL When used in the combination

When used in the combination with the Howe Y-pipe you will see significant increases in torque over fixed baffle mufflers

such as heavy traffic

Large diameter

Dual 3 in Outlet

From 3000 to 4500 rpm

Scat Excalibur Forged Crankshaft - 4.000 in Stroke - Internal Balance - 2-Piece Seal - Small Block Chevy 7-400-4000-6000 36002BL When used in the combinationProduct Description: Crankshaft Excalibur 4. 000 in Stroke Internal Balance Forged Steel 2 Piece Seal Small Block Chevy Sold Individually Scat started out as a shop specializing in high performance VW air cooled engines and later branched out into offering crankshafts for larger V8 engines. Today, they maintain three separate divisions: Scat Crankshafts, Procar (custom seats and accessories), and Scat Volkswagen Performance. For over 45 years Scat