ATK Performance 520 Stroker Big Block Shortblock

ATK Performance 520 Stroker Big Block Shortblock

Be the first one to write a review

$6,495.00

SKU: ATK-SP22

Part# SP22

Qty:

Share on Facebook
  • More Details
  • Reviews
  • Ask a Question

ATK Performance 520 Stroker Big Block Shortblock

When only big cubic inches will do! This 520 stroker uses SCAT all forged internals to handle huge horsepower. Assembled and ready to bolt on your heads, cam, intake etc. Here's the specs.

  • Block: Seasoned 460 block
  • Bore/Stroke: 4.400 x 4.300
  • Displacement: 520 C.I.D.
  • Crankshaft: Scat 4340 Forged 4.300" Stroke Internally Balanced
  • Connecting Rods: Scat 4340 Forged H Beam 6.700" ARP 8740 Bolts
  • Pistons: Forged +36cc Dished With D Cup
  • Piston Rings: Moly Rings
  • Compression Ratio: 74cc=9.8:1/80cc=9.6:1
  • Camshaft Bearings: Installed and Clocked to OEM Position
  • Freeze Plugs: Brass Installed and Sealed
  • Oil Galley Plugs: Installed and Sealed

Reviews


Write a review | No reviews for this product.

Ask a question about this product

Name:

Email:

Question:

Please enter the characters you see in the image:
Image verification