MERLIN III

BIG BLOCK CHEVROLET

CAST IRON ENGINE BLOCKS

World has taken the knowledge of over 15 years experience manufacturing Merlin blocks for competition and developed this affordable CNC-machined version that's perfect for marine, e.t. bracket racing, and street use.

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Key Features | Tech Specs | Tech Note: Main Cap Attachment | Instruction Sheet
Cast Iron BBC Engine Blocks
Part # Description Deck Bore Cam Location Main Caps
081100 Merlin III Bare Block 9.800" 4.240" Standard Nodular Iron
081101 Merlin III Bare Block 9.800" 4.490" Standard Nodular Iron
081102 Merlin III Bare Block 9.800" 4.595" Standard Nodular Iron
081110 Merlin III Bare Block 10.200" 4.240" Standard Nodular Iron
081111 Merlin III Bare Block 10.200" 4.490" Standard Nodular Iron
081112 Merlin III Bare Block 10.200" 4.595" Standard Nodular Iron
085000 Merlin III Bare Block 9.800" 4.240" Standard Splayed Billet
085010 Merlin III Bare Block 9.800" 4.490" Standard Splayed Billet
085012 Merlin III Bare Block 9.800" 4.595" Standard Splayed Billet
085100 Merlin III Bare Block 10.200" 4.240" Standard Splayed Billet
085110 Merlin III Bare Block 10.200" 4.490" Standard Splayed Billet
085112 Merlin III Bare Block 10.200" 4.595" Standard Splayed Billet
081100-4250 Merlin III Fully Prepped Block 9.800" 4.250" Standard Nodular Iron
081100-4280 Merlin III Fully Prepped Block 9.800" 4.280" Standard Nodular Iron
081100-4310 Merlin III Fully Prepped Block 9.800" 4.310" Standard Nodular Iron
081100-4350 Merlin III Fully Prepped Block 9.800" 4.350" Standard Nodular Iron
081101-4500 Merlin III Fully Prepped Block 9.800" 4.500" Standard Nodular Iron
081101-4530 Merlin III Fully Prepped Block 9.800" 4.530" Standard Nodular Iron
081101-4560 Merlin III Fully Prepped Block 9.800" 4.560" Standard Nodular Iron
081102-4600 Merlin III Fully Prepped Block 9.800" 4.600" Standard Nodular Iron
081102-4630 Merlin III Fully Prepped Block 9.800" 4.630" Standard Nodular Iron
081110-4250 Merlin III Fully Prepped Block 10.200" 4.250" Standard Nodular Iron
081110-4280 Merlin III Fully Prepped Block 10.200" 4.280" Standard Nodular Iron
081110-4310 Merlin III Fully Prepped Block 10.200" 4.310" Standard Nodular Iron
081110-4350 Merlin III Fully Prepped Block 10.200" 4.350" Standard Nodular Iron
081111-4500 Merlin III Fully Prepped Block 10.200" 4.500" Standard

Nodular Iron

081111-4530 Merlin III Fully Prepped Block 10.200" 4.530" Standard

Nodular Iron

081111-4560 Merlin III Fully Prepped Block 10.200" 4.560" Standard

Nodular Iron

081112-4600 Merlin III Fully Prepped Block 10.200" 4.600" Standard Nodular Iron
081112-4630 Merlin III Fully Prepped Block 10.200" 4.630" Standard Nodular Iron
085000-4250 Merlin III Fully Prepped Block 9.800" 4.250" Standard Splayed Billet
085000-4280 Merlin III Fully Prepped Block 9.800" 4.280" Standard Splayed Billet
085000-4310 Merlin III Fully Prepped Block 9.800" 4.310" Standard Splayed Billet
085000-4350 Merlin III Fully Prepped Block 9.800" 4.350" Standard Splayed Billet
085010-4500 Merlin III Fully Prepped Block 9.800" 4.500" Standard Splayed Billet
085010-4530 Merlin III Fully Prepped Block 9.800" 4.530" Standard Splayed Billet
085010-4560 Merlin III Fully Prepped Block 9.800" 4.560" Standard Splayed Billet
085012-4600 Merlin III Fully Prepped Block 9.800" 4.600" Standard Splayed Billet
085012-4630 Merlin III Fully Prepped Block 9.800" 4.630" Standard Splayed Billet
085100-4250 Merlin III Fully Prepped Block 10.200" 4.250" Standard Splayed Billet
085100-4280 Merlin III Fully Prepped Block 10.200" 4.280" Standard Splayed Billet
085100-4310 Merlin III Fully Prepped Block 10.200" 4.310" Standard Splayed Billet
085100-4350 Merlin III Fully Prepped Block 10.200" 4.350" Standard Splayed Billet
085110-4500 Merlin III Fully Prepped Block 10.200" 4.500" Standard Splayed Billet
085110-4530 Merlin III Fully Prepped Block 10.200" 4.530" Standard Splayed Billet
085110-4560 Merlin III Fully Prepped Block 10.200" 4.560" Standard Splayed Billet
085112-4600 Merlin III Fully Prepped Block 10.200" 4.600" Standard Splayed Billet
085112-4630 Merlin III Fully Prepped Block 10.200" 4.630" Standard Splayed Billet