9.5" Longblocks

9.5" Longblocks

ZSR Dart-Based 9.5" Longblocks. 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
-Resurfaced with BHJ fixture, MLS compatible finish
-Torque Plate Honed on Sunnen CV616
-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
-MOREL Linkbar lifters
-Custom Camshaft Ground on a billet core, 100% spec'd for your specific application
-Cometic MLS Head Gaskets
-ARP Head Bolts (Studs available)
-ROLLMASTER Billet timing set with Torrington Bearing
-Machined Camshaft Retainer Plate
-ARP Camshaft Bolt
-One-Piece, custom length 5/16" pushrods
-Scorpion "Endurance" series rockers

Block Options:
-DART Sportsman
-DART Iron Eagle

Crankshaft Options:
-Lunati VooDoo 4340 forged Crankshaft, internally balanced (most popular option)
-Scat 4340 forged Crankshaft, Internally Balanced, May require heavy metal to balance.
-Molnar 4340 Forged Crankshaft, Internally Balanced
-Callies Magnum 4340 Crankshaft, USA made

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

Piston Options:

ZSR Custom Racetec Offerings:
-RaceTec/ZSR Custom 2618 forged pistons, Flat Top, Twisted Wedge or Inline Valve Reliefs
-RaceTec/ZSR Custom 2618 forged pistons, 20cc Dish, Twisted Wedge or Inline Valve Reliefs
-RaceTec/ZSR Custom 2618 forged pistons, 30cc Dish, Twisted Wedge or Inline Valve Reliefs

***ZSR can do a full custom piston for any cylinder head and/or dome/dish not listed***

-Wiseco 2618 forged pistons (coated skirts), Flat Top, Twisted Wedge or Inline Valve Reliefs
-Wiseco 2618 forged pistons (coated skirts), 32cc Dish, Inline or Twisted Wedge Valve Reliefs

**We have Diamond custom make our pistons with .043-.043-3mm ring packages**
-Diamond 2618 Forged Pistons, Flat Top, Twisted Wedge or Inline Valve Reliefs 
-Diamond 2618 Forged Pistons, 23cc Dish, Inline Valve Reliefs (4.030 or 4.040 bore ONLY)
-Diamond 2618 Forged Pistons, 36cc Dish, Inline Valve Reliefs
-Diamond 2618 Forged Pistons, 27cc Dish, Twisted Wedge Valve Reliefs
-Diamond 2618 Forged Pistons, 41cc Dish, Twisted Wedge Valve Reliefs 
-Diamond 2618 Forged Pistons, 5cc Dome, Inline Valve Reliefs 
-Diamond 2618 Forged Pistons, 6cc Dome, Twisted Wedge Valve Reliefs

**Upgrade to Tool Steel Pins Available**

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 to any ringset to fit your needs**

Oil Pan Package: Includes a Moroso front or rear sump 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 our builds, click HERE
$8,999.00 $8,550.00