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300M vs 4340 Steel in Conrods: What’s the Difference? If you’re building a serious performance engine, choosing the right material for your conrods is critical. Both 4340 and 300M are high-stre...

How 6Boost Manifolds Are Made – And Why They’re the Best in the Game If you’re chasing big boost and serious horsepower, the name 6Boost needs no introduction. At Spool Imports, we’ve been ...

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Why Getting Your Piston-to-Bore Clearance Right Matters – Especially with Forged Pistons By Spool Imports When you're building a performance engine, especially with forged pistons, one of the mo...

Balancing Compression Ratio and Boost for Maximum Power Balancing Compression Ratio and Boost for Maximum Power If you're chasing power, you've probably heard the debate about ...

How to Choose the Right Haltech ECU for Your Build How to Choose the Right Haltech ECU for Your Build If you're serious about tuning and getting the most out of your engine build, a high-q...

Gas Porting Pistons Explained Gas porting pistons is done to improve ring seal and enhance combustion efficiency, particularly in high-performance and racing engines. Here’s why: 1. Improved Ring ...

Building an Indestructible Barra Building an Indestructible Barra: Key Internal Upgrades – A Must-Read for Ford XR6 Turbo Owners If you’ve got a Ford XR6 ...

H-Beam vs. I-Beam Conrods: Which One’s Right for Your Build? body { font-family: Arial, sans-serif; line-height: 1.6; colo...

The History of the Gen III LS Engine: How It Redefined the Small-Block Chev Published: 16 January 2025 The Chevrolet Small Block (SBC) is one of the most legendary engines ever b...