This is a rebuilt GM 454 Mark IV long block for 1970 to 1990 applications. All motors are professionally built and machined in our facility. Rebuilding engines is our profession, not just a hobby!
All longblocks have the following work done:
Hot tanked
Magnafluxed
Bored on a Kwik-Way FN boring bar
Honed on Sunnen equipment with Sunnen stones
All rods are resized using Sunnen equipment
All cranks are ground and polished
The following parts are replaced with these product lines:
Main Bearings-Clevite
Rod bearings-Clevite
Cam bearings-Durabond
Pistons-Sealed Power
Rings-Hastings
Brass freeze plugs
Melling marine camshaft
Sealed Power lifters
Fel Pro marine gasket set
Cloyes timing set
All motors are painted using the high-temp engine enamel and can be painted any color! This as close to a custom built engine you\'ll ever find! We can also build motors to your specifications; please inquire!
All motors are sold OUTRIGHT! There are no core returns to fuss with, no worries about deductions on your core deposit or having to worry about coming up with a block to return because yours is cracked! All of our longblocks carry a 5 year and unlimited hour warranty. Every engine is carefully rebuilt using top name brand components as you can see from the list above. Check the other rebuilders for price, quality and warranty and then compare ours! We simply build the best motor there is with the best warranty, hands down!
