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Piston Ring Gaps Explained: Use Our Free Ring Gap Calculator | Spool Imports Piston Ring Gaps Explained: Use Our Free Ring Gap Calculator When you’re building a high-performance en...

Find the Right LS Pistons in Seconds with Our New Piston Finder Building or refreshing an LS? Our new LS Piston Finder makes it simple to zero-in on the pistons that match your combo. Set yo...

Haltech iC-7 vs uC-10: Which Dash is Right for Your Build? Haltech’s digital dashes have quickly become the gold standard for performance enthusiasts who want crystal-clear, customisable data dis...

The Evolution of GM LS Engines: From LS1 to LS7 and Beyond | Spool Imports The Evolution of GM LS Engines: From LS1 to LS7 and Beyond The GM LS engine family has become a legend in the per...

Haltech Elite ECUs Explained: 550 vs 750 vs 1500 vs 2500 Haltech’s Elite ECU range has become one of the most popular choices for tuners around the world. With models to suit everything from a fo...

The Legendary Ford Barra: Australia’s Turbocharged Hero (and How to Build It Right) Published: 31 July 2025 Few engines shout “Aussie performance” like the Ford Barra 4.0...

Choosing the Right Turbo Size: A Beginners Guide So, you’re ready to turbo your ride or upgrade that old unit? Choosing the right turbo isn’t just about bolting on the biggest snail you can fin...

Build Any RB Your Way — With Spool-Engineered Strength Whether you're building a high-revving RB20 for the track, a tough RB25 street motor, or a full-send RB34 drag weapon, one thing’s for sur...

Building an Extreme Boosted LS V8 Engine If you’re chasing serious horsepower from your LS build – think 1,500hp, 2,000hp, or even more – it all starts with the right foundation. At Spool Imp...

Building the Ultimate Nissan RB34 Stroker Engine | Spool Imports Building the Ultimate Nissan RB34 Stroker Engine If you’re serious about squeezing maximum capacity fro...