Chevy 415 421 SBC Stroker Short Block Forged

This is a 415/421ci Small Block Chevy All Forged Sportsman Series Internally Balanced Short Block. If you are looking for strength in a SBC bottom end you've come to the right place.
With all forged internals inside of a new Wheeler Pro series 4-bolt billet (center 3 splayed) main cap block, it's got you covered whether you're going the power adder route or the high compression all motor route. Heavyweight strength at a lightweight price! Our short blocks are built-to-order so let us know which bore size (4.125 and 4.155) & which pistons (flat-top or dish) you would like when ordering and allow for 4-5 weeks build time.

Short Block Assembly Includes:
Fully Blueprinted New Wheeler 4-Bolt Block.
-Line Honed Mains on Sunnen CH100 Line Hone.
-Decked with BHJ Fixture - Cylinders Bored Perpendicular to Block.
-Finish Honed with Sunnen CV616 and Torque Plates.
-Brass Freeze Plugs and Durabond 1-Piece Cam Bearings.
Forged Dish or Flat-top Pistons (manufacturers vary depending on application).
Hi-Performance File Fit Moly Rings with Standard Tension Oil Ring.
New Wheeler Forged 4140 6.0" I-Beam Rods with ARP Capscrews.
New Wheeler Forged 4140 3.875" Stroke Crankshaft, Internally Balanced.
H Series High Performance Rod and Main Bearings.

Short Block is Completely Assembled, Inspected and Detailed

A "Bulletproof" Foundation for your Hot Street or Strip Machine


Compression Ratios-
Dish: 58cc-10.5:1, 64cc-9.9:1, 76cc-9.4:1
Flat-top: 58cc-13.2:1, 64cc-12.2:1, 76cc-10.9:1


If you have any questions concerning this item or shipping costs please call us at 1-888-389-4414.Wheeler Power Products has been building race proven engines and components for nearly 16-years. We have a state-of-the-art, 17,500 square foot manufacturing facility located in northeast Florida. We use nothing but the best of components, machinery and assembly processes available. If you want it done right then we are the company of choice for you. Wheeler Power Products, Your First Choice In Horsepower

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Item Location: JACKSONVILLE, FL Get Directions To This City

Instructions for buyer:  Store Hours:
Monday - Friday, 9:00am - 6:00pm
Saturday, 9:00am - 3:00pm

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