Articles
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Titanium Valve Spring Retainers: What They Are and Why They Matter A practical upgrade for high-RPM reliability, valve control, and performance If you’ve ever built (or planned...
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Importing Orders Over NZD $1,000 into New Zealand: Spool Imports Customer Guide If you are a New Zealand customer ordering performance engine parts from Spool Imports in Austral...
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Haltech ECU Buyer’s Guide – Which Haltech ECU Is Right for Your Build? Choosing the right Haltech ECU can feel overwhelming – especially with options like the Elite 550, Elite 750, Elite ...
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Understanding ARP Bolt Materials: 8740 vs ARP2000 vs L19 vs CA625+ | Spool Imports Understanding ARP Bolt Materials: 8740 vs ARP2000 vs L19 vs ...
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Forged vs Billet Crankshafts — what’s really different, and which one’s right for your build? At Spool Imports, we’ve designed and tested both types across LS, RB, and Barra platforms to handl...
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Toyota’s 1JZ and 2JZ engines are two of the most iconic inline-sixes ever built. Found in Supras, Soarers, Aristos and Chasers, they’ve become the go-to platform for tuners and racers chasing big ...
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Full Counterweight LS Crankshafts: Why They’re Better — and the Block Clearancing You’ll Need Chasing reliability in a serious LS build? A full counterweight (CCW) crankshaft is one of the mo...
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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...
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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...
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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...