Quick view Mahle OE Mahle Rings Cat 3500 Series 3508 Ind Gen Marine 81216 Cyl 6.700 in. Bore Sleeve Assy Ring Set - S41832 Compare $388.99 Mahle Rings Cat 3500 Series 3508 Ind Gen Marine 81216 Cyl 6.700 in. Bore Sleeve Assy Ring Set Add to Cart Add to Cart