We do not stock this item.
It will ship direct from the manufacturer.
Thank you.

We can ship this item outside the US-48 states for extra cost. Please provide a complete delivery address for a quote.


World Products's Mowtown II engine blocks are an affordable and reliable way to build your new high-power small block Chevy engine at big block cids! They are machined on state-of-the-art CNC milling centers to blueprint quality specs and are much stronger, with better oiling and cooling capacity than factory GM blocks.


Mowtown II small block Chevy block features

All dimensions are in inches unless noted


*NOTE: This block kit includes: Main Bearings, Rod Bearings, Cam Bearings, brass freeze plugs, dowel pin kit, and oil galley plug kit


·         New cast iron race block, Chevy 400 mains (350 mains also available)

·        This block is shipped @ 4.115-rough bore

·        4-bolt Ductile (aka Nodular) iron main caps at all five locations (caps 2-3-4 splayed) (Billet Steel Caps also available for extra $$$)

·        ARP 1/2 inner row main cap fasteners, 7/16 outer row main cap fasteners

·       4.000 stroke clearance

·        Std. SBC size cam journals (50mm cam bearings also available in for extra $$$)

·        Std. SBC cam location (+.134" raised cam with 50mm cam bearings, available for extra $$$. Raised cam blocks not available w/ std. dia. SBC cam bearing)

·        Std. .842 dia. lifter bores (.904 dia. versions also available for extra $$$)

·        Decks are even and parallel to 0.002

·        Minimum .700 thick deck

·        True priority main oiling system

·         4.200 max recommended bore diameter (.250 min cylinder walls @ 4.200 bore)

·        Accepts oil pans w/ driver's-side dipstick, 2-pc rear seal

·        Blind head bolt holes to prevent water leaks

·        Well-supported main web and cam tunnel

·        Expanded water jackets for better cooling

·        Has all threaded external OE block holes for starter, clutch ball, etc.

·        Accepts stock timing cover, fuel pump, and oil filter mount

·        Dry sump oil provisions

·        Bolt-in lifter valley debris screen included

·        If using aftermarket roller lifters, +.300 taller lifters are required

·        Block weight before machining, bare: 200-lbs. +/- 5-lbs.


*Notes:
Will not accept factory OE-style hydraulic roller cam or lifters.
This block must be finish-honed and/or bored, and cleaned before assembly.


Fully assembled engines also available


This is just a partial listing. Any engine combo can be custom-tailored to fit your needs.

From mild-to-wild, the small block power experts at Hardcore Horsepower have over 20 years experience and thousands of dyno pulls to rely on to help you build an engine that'll make your ride scream!


We install and tune! Purchase this item and receive in-house installation, initial set-up, and tuning at Hardcore Horsepower, LLC!


TN residents add 9.25% sales tax.

 

Hardcore Horsepower, LLC Warranty:
All products sold by Hardcore Horsepower, LLC are protected against defects in workmanship and materials by their original manufacturer’s warranties. See Hardcore Horsepower, LLC Store for more warranty details.

We offer FREE Ground shipping to Commercial addresses in the 48 US-states only.

Residential addresses and shipping to AK, HI, and P.R. is extra $$$.

International Shipping may be available for extra $$$.

Please provide a complete street address for quote.

Feel free to call for more info or to customize your kit accordingly.

Photos shown are representational only.

Actual item may differ.

Hardcore Horsepower, LLC
Franklin, TN
615/595-0060
10am-6pm Monday thru Friday
USA Central Time

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We do not stock this item.
It will ship direct from the manufacturer.
Thank you.

We can ship this item outside the US-48 states for extra cost. Please provide a complete delivery address for a quote.


084020 / SBK-5


WARNING
Some of the products sold in this store
contain/may contain chemicals known
to the State of California to cause
cancer, birth defects or other
reproductive harm.
California Health and Safety Code Section 25249.6