
Product Discontinued
Currently Unavailable
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
2-Piece Rear Main Seal
Merlin III Mark-IV Cast Iron Engine BlockBig Block Chevy 2-Piece Rear Main Seal 4.495'' Bore 9.800'' Deck Height Splayed Billet Main Caps
Features
- Material: Cast Iron
- Bore: Semi-finished to allow final honing to piston/ring package; Race-prepped block is finish honed
- Cam Bearings: Standard Chevy
- Main Bearings: Standard Chevy
- Camshaft Location: Stock
- Lifter Bores: Indexed
- Maximum Recommended Bore: 4.625 in.
- Cylinder Wall Thickness: .310 in. @ 4.600 in. Bore
- Water Jackets: Expanded for better cooling
- Lubrication: Priority main oiling system
- Filtration: Integral mount for spin-on filter
- Oil Pan Rails: Solid stock width (can be clearanced for Strokers)
- Oil System Features
- Stepped oiling dry sump systems can feed from front or rear
- Oil drainback in valley lubricates distributor gear
- Drilled for dry sump valley scavenge lines
- Extra head bolt bosses in the valley to accommodate special racing heads
- Blind holes drilled into the valley for screen
- Crank Clearance: 4.375 in. for 9.800 in. deck
- Main Caps: 4-bolt nodular iron or splayed billet steel
- Fuel Pump Mount: OE mount
- Starter: OE mount
- Motor Mounts: Front and side
- Cylinder Head Holes: Blind tapped to prevent leaks
- Weight: Approximately 270 lbs
- Made In The USA
Part TypeEngine Block
BrandWORLD PRODUCTS
Package Height15.0
Package Width23.0
Package Length25.0
Weight200.0 PG
Part CategoryPerformance Parts
Engine Block Weight (Lbs.)275
Part FitmentSemi Universal
Deck Height9.8 in (248.92 mm)
ToolStroker Combinations
Vendor Part Number085010
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
ITEM YOU MAY ALSO CONSIDER
Some parts are not legal for use in California or other states with similar laws / regulations


![Engine Assembly Lube [4 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28000.jpg)


![Engine Stand [1250 lb. Capacity]](https://www.jegs.com/images/mini_200/500/555/555-80041.jpg)

![Engine Stand [1000 lb. Capacity]](https://www.jegs.com/images/mini_200/500/555/555-80040.jpg)
![Break-In/Engine Oil Supplement [12 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28060.jpg)




![Rotating Engine Stand [1000 lb. Capacity]](https://www.jegs.com/images/mini_200/500/555/555-80059.jpg)


![Black RTV, Temperature Resistant up to 625 Degrees F [3.8 oz. Tube]](https://www.jegs.com/images/mini_200/500/555/555-28035.jpg)


![Precision Cam Degree Wheel Kit [11 in.]](https://www.jegs.com/images/mini_200/500/555/555-81621.jpg)
