MERLIN III Iron
World Products’ MERLIN cast iron block is the perfect foundation for your Nick Arias Jr. BB Chevy Hemi Head assembly. Made of a high density iron and manufactured to QS-9000 specifications on just two fixtures to eliminate tolerance stacking common on production lines, the MERLIN III can be bored to a maximum of 4.625” and is clearanced for a 4.750” crank. With a reinforced bottom end featuring 4-bolt splayed main caps, the MERLIN III can handle serious horsepower with complete reliability. It’s an excellent all-around value too!
Part #: 081110 - $2,216.95
Part #: 081111 - $2,216.95
Part #: 081112 - $2,216.95
Features:
- Material: High Density Cast Iron
- Deck Height: 10.200"
- Deck Thickness: .600" minimum
- Cam Bearings: Standard Chevrolet
- Main Bearings: Standard Chevrolet
- Camshaft Location: Stock
- Lifter Bores: Indexed (stock .8437" bore)
- Bore: 4.240 (hone to 4.250") or 4.490 (hone to 4.500")
- Maximum Bore: 4.625"
- Cylinder Wall Thickness: .250" at 4.600" 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)
- Crank Clearance: 4.750" stroke crank
- Main Caps: Nodular iron or billet steel
- Fuel Pump: OEM mount
- Starter: OEM mount
- Motor Mounts: Dual (front and side)
- Cylinder Head Holes: Blind tapped to prevent leaks
- Weight: Approximately 270 lbs
Options:
- Part# 081110: MERLIN III bare block, 10.200" x 4.240". Choose Billet or Nodular splayed 4-bolt caps
- Part# 081111: MERLIN III bare block, 10.200" x 4.490". Choose Billet or Nodular splayed 4-bolt caps
- Part# 081112: MERLIN III bare block, 10.200" x 4.590". Choose Billet or Nodular splayed 4-bolt caps
