** Current Lead Time on Builds: 8 - 9 Months ** - ALL SALES FINAL- NO REFUNDS OF ANY TYPE
9.5" Shortblocks

9.5" Shortblocks

ZSR Dart-Based 9.5" Shortblocks.  Full custom builds, no mass produced engines. Whether you want to make 500hp or 2000hp, we can get a package together to meet your goals. Name-brand, quality parts ONLY

Fully Machined IN-HOUSE (For More Info Click HERE)
-Resurfaced with BHJ fixture, MLS compatible finish
-Torque Plate Honed on Sunnen CV616 and surface checked with profilometer 
-Line Honed with ARP main studs
-Rotating Assembly balanced on CWT Multi-Bal 5000

Included Parts:
-Dart Coated Cam Bearings
-Clevite H-Series Bearings
-FelPro Rear Main Seal
-ARP main studs
-Painted your color of choice

Block Options:
-DART Sportsman
-DART Iron Eagle
-FORD RACING Aluminum Z351
-WORLD PRODUCTS Man O'War (Billet Main Caps Only)

Crankshaft Options:
-Lunati VooDoo 4340 forged Crankshaft, Internally balanced (most popular option)
-Molnar 4340 Forged Crankshaft, Internally Balanced 
-Callies Magnum CCW (Center Counterweight) 4340, USA forging 

**Heavy metal price calculated once rotating assembly is balanced**

Connecting Rod Options:
-Eagle H-Beam Connecting Rods w/ARP8740 or ARP2000
-Scat H-Beam Connecting rods w/ARP8740 or ARP2000
-Oliver Billet I-Beam Connecting Rods
-Callies Compstar H-Beam rods wARP2000 bolts
-Molnar Billet H-Beam rods w/ARP2000 bolts

Piston Options:
-You choose whether you want Wiseco, Mahle, or Diamond pistons. All pistons we use in these shortblocks are a 2618 forging. When you order, you will be contacted and we will go over your combination to make sure the piston offering from the brand you chose will work for you. Flat top, Dish, Dome, etc to achieve your desired compression ratio.

Piston Rings:
-Standard on RaceTec pistons is the Mahle HV385 1-1-2mm ring package. This is an extremely thin, low-drag setup with a steel top ring, steel napier second ring, CP20 2mm oil ring. Great for NA or Power Adders
-Standard on Wiseco pistons is the Wiseco GFX 1.2-1.2-3mm ring package. Steel top, napier second. NA or Power Adder
-Standard on Diamond pistons is TOTAL SEAL AP Ringset, .043-.043-3mm. Steel Top, Napier Second. NA or Power Adder

**We can change piston rings to suite any build**

Custom Camshaft Package:
This includes a custom ground, billet HYD roller or Solid Roller camshaft (spec'd 100% for your combination), a billet Rollmaster timing set w/torrington bearing, machined cam retainer plate, and ARP cam bolt. Installed and degreed. 

Oil Pan Package: Includes a Moroso 20520 pan, Moroso pickup, M83 or M83HV oil pump (blueprinted at ZSR), ARP oil pump bolts, ARP pump driveshaft, Milodon Oil Pan Studs, New timing cover, Fel-Pro timing cover gasket and seal, and Ford Racing One Piece oil pan gasket. INSTALLED

MANY options available that are not listed. We can do 55mm cam bores, .903" lifter bores, O-Ring blocks, ANY cylinder head that is available on the market, belt drives, carburetors, different ring packages, custom oil pans. Whatever you need, we can do.


**Shipping calculated once order is ready to ship**

To see a gallery of some of our builds, click HERE