01-04 Duramax LB7 PPE Stage 4 Rebuild Kit Automatic Smarty can not fix VIN#

Smarty can not fix VIN# troubles caused by other products

in most cases a + 2Mpg has been reported

▪ Free-flowing stainless steel inner liner bellows

6L Duramax LML allows you to remove your crushed oval stock downpipe and replace it with a smooth round

ARP Valve Cover Stainless 12 pt Bolt Kit

01-04 Duramax LB7 PPE Stage 4 Rebuild Kit Automatic Smarty can not fix VIN#The PPE 128034201 Stage 4 Transmission Kit for your 01 04 GM 6. 6L Duramax is designed as our entry level kit thats perfect for drag racing, sled pulling, towing or even daily driven use. It will ensure that your Allison 1000 transmission can handle up to 850 hp at the crank (approx. 680 rwhp) and up to 1,500 ft. lbs. of torque without damage. This kit works extremely well for a stock truck but was engineered to handle a Duramax engine that has been