250 Big Block Chevy Kit-Mercury Marine 500 Hp- 6 Rib Accessory 

TBS 250 BIG BLOCK CHEVROLET 6RIB ACCESSORY, STANDARD DECK (9.8”) DRIVE KIT FOR MERCURY MARINE 500 HP ENGINES (#3133) This TBS Low-Profile 250 Supercharger kit is specifically for Mercury Marine Applications. Designed for mild marine use and comes as a complete kit for one convenient price. TBS 250 applications are showing great performance on large displacement bracket engines. This drive kit can be either a 10Rib or 16Rib serpentine style drive. It includes the 250 supercharger, tall deck big block manifold, and all necessary drive accessories required for assembly. It features 6Rib serpentine style accessory pulley, which allows one 6 rib accessory belt to be driven off the crankshaft. Designed for marine use. The 250 is a max 10lb boost application. FITS CONVENTIONAL STYLE 24° CYLINDER HEADS FOR BIG BLOCK CHEVROLET.

• 71 / Low Profile: Low Profile
• Belt Style: 6 RIB
• Deck Height: Tall Deck
• Engine Model: Big Block Chevy
• Supercharger Model/Size: 250