NEW CAST IRON ENGINE BLOCKS
A new Heavy-Duty Cast Iron Engine Block Series has been launched by Aeroflow Performance
![](https://www.aftermarket.com.au/wp-content/uploads/2025/02/Aeroflow-EngPerf-Feb25-1024x482.jpg)
Aeroflow Performance invites you to take your engine build to the next level with its new lineup of cast iron engine blocks.
It says these high-quality, semi-finished blocks are engineered for precision, strength, and durability, providing the perfect foundation for your next street performance build.
Whether you are building an LS, Small Block Chev, or Ford 351 Windsor engine, Aeroflow says it has you covered with premium Class 32B cast iron and minimal machining requirements.
Key features and benefits:
• Precision and durability: cast from premium high-strength Class 32B cast iron for maximum strength.
• Ease of use: minimal machining required, saving you time and money.
• Broad compatibility: designed for easy integration with standard off-the-shelf components, including all camshaft variations, timing chain combinations, and more.
• Enhanced performance: features like billet steel main caps and priority main oiling ensure optimal oil distribution for maximum longevity and reliability.
• Semi-finished design: requires minimal machining to match your internal components.
• Reinforced main caps: billet steel four-bolt main caps with priority main oiling system.
• Precision cylinder bores: siamese bores for the Small Block Chev and specific variations for LS and Ford 351 Windsor.
• Heavy-duty build: thick deck heights for reliable head gasket seals and enhanced performance
Product Variants:
Available are variants for the GM LS Engine Block, Small Block Chev Engine Block, and Ford 351 Windsor Engine Block.
• GM LS Engine Block
– Cylinder Bore Diameter: 4.000”
– Max Bore and Stroke: 4.030” x 4.000”
– Main Bearing Size: 2.558”
– Deck Height: 9.240”
– Weight: 110kg (242 lbs.)
– Part Number: AF96-1020
• Small Block Chev Engine Block
– Cylinder Bore Diameter: 4.000” or 4.125”
– Max Bore and Stroke: 4.185” x 4.000”
– Main Bearing Type: 350 or 400 Mains
– Deck Height: 9.025”
– Weight: 92kg
– Part Numbers: 4.000” Bore, 350 Mains: AF96-1000; 4.125” Bore, 350 Mains: AF96-1002; 4.125” Bore, 400 Mains: AF96-1001
• Ford 351 Windsor Engine Block
– Cylinder Bore Diameter: 4.000” or 4.125”
– Max Bore and Stroke: 4.185” x 4.125”
– Main Bearing Type: 351 Cleveland Mains
– Deck Height: 9.500”
– Weight: 94kg
– Part Numbers: 4.000” Bore, 351 Cleveland Mains: AF96-1010; 4.125” Bore, 351 Cleveland Mains: AF96-1011
“Elevate your engine build with Aeroflow Performance’s Cast Iron Engine Blocks – perfect for racers, builders, and enthusiasts who demand strength, precision, and performance at a competitive price,” Aeroflow Performance Brand Manager, Glen Collett, said.
For more information, visit www.aeroflowperformance.com