408ci LY6 or LQ9 Competition Boosted Short Block

Our 408ci LY6 cast iron short block is built with components strong enough to handle up to 850hp which we have made with the Whipple 2.9L Super Charger. We can custom build this short block to work with your heads and can make recommendations for compression ratios and camshaft specs. We also offer just about any part you might need to complete the build in our online store below.


  • Great for street engines up to 850hp
  • Custom built to work with your charger
  • Base Price LY6  $5,199
  • Base Price LQ9 $4,699
  • Spec Sheet

For More Information Please Call 1-800-591-9171 or Click Here