Click on image to zoom

12491864 - Remanufactured GM 2005 4.2L, 256 CID, Inline 6 Cylinder Engine

This product may require vehicle validation(s) for proper fitment. Please contact us to confirm correct vehicle fitment and usage.

Shipping: FREE 48 State Shipping
Pricing: $3,919.50

Customize Your Item

- Additional Shipping Options -
 * required
- -
 * required


Consists of engine block, new cylinder sleeves, crankshaft, connecting rods, pistons, piston rings, cylinder head assembly (including valve train components), lifters, camshaft, exhaust cam actuator, timing gears and chain, timing chain dampener, front cover, harmonic balancer, valve cover, oil pan and oil pump.

2005 Chevrolet Trailblazer (ST1)
2005 GMC Envoy (ST1)

Application List




Shipping Information

  • Item Requires Shipping
  • 500.0 lbs.
  • W33.0000” x H36.8000” x L39.5000”
  • FREE 48 State Shipping

Customer Reviews

Comment Total Reviews (0)

Write the First Review!

You must login to post a review.

  • We don’t just want your business today. We want to EARN your business for LIFE!
  • USA Owned, Operated & Employed
  • Installers & Resellers Click Here to Apply
  • We Specialize In:
    • GM LS Conversions
    • Engine & Trans Combo Kits
    • Unique Ready to Run Engines
  • Have a question?
  • 888-748-4655 Mon-Fri 8AM-6PM EST
  • Click above for 24/7 Live Chat Service.