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CALFLOW
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Holden 253 308 Billet Aluminium Roller Rocker Arm Set 3/8", 1.65 Ratio

I/N: 1226937

Marketplace | Online only

$325.55

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4 payments of $81.39
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4 payments of $81.39
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From $10 a week

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Marketplace | Online only

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  • Precision cnc-machined from billet aluminium for maximum rigidity and lightweight action.
  • 1.65 ratio optimizes valve lift characteristics for classic holden v8 cylinder heads.
  • Designed for 3/8-inch rocker stud fitment to deliver dependable alignment.
  • Roller tips reduce friction and scuffing, extending valve stem and guide lifespan.
  • Ideal bolt-on performance upgrade for holden 253 and 308 engine setups.
Designed specifically for Aussie V8 enthusiasts, this billet aluminium roller rocker arm set fits Holden 253 and 308 engines on 3/8-inch studs. Featuring a performance 1.65 ratio, these rockers lower operating friction, maximize valve movement, and improve engine efficiency across the entire RPM range.