Overview

ATK High Performance Ford 347 Stroker 450 HP Stage 3 Long Block Crate Engines

If you don’t have the time or means for a build, ATK High Performance Ford 347 Stroker Stage 3 long block crate engines are the answer. They’ll help anyone looking for a complete motor with reliable, on-street high performance. These fully-dressed (Stage 3) engines work with power accessories, produce a noticeable idle, and include all the Stage 2 components. They may also add in the following parts (among others): carburetion, filters, and spark system.

ATK Ford 347 Stroker 450 hp Stage 3 long block crate engines specs:

* 440 lbs.-ft. torque
* Seasoned OE roller block
* 4.040 x 3.400 bore/stroke
* 347 c.i.d. displacement
* Nodular iron crankshaft (3.400 in. stroke; one-piece externally balanced; 28 oz.)
* 4340 forged I-beam connecting rods (5.400) with ARP bolts
* Forged flat-top pistons with four valve reliefs
* Moly piston rings with 10.1:1 compression ratio
* Hydraulic roller camshaft with 231/235 duration at 0.050, 0.544 in./0.565 ex. Lift, 112LSA
* Installed camshaft bearings clocked to OEM position
* Dart Pro 1 aluminum cylinder heads with 58cc/195cc port volume and 2.02/1.60 in. valves
* Installed and sealed brass freeze plugs (oil galley plugs also installed and sealed)
* Billet aluminum 1.6 ratio full roller rocker arms
* 5 qt. front sump OE oil pan
* 430 lbs.