Tech Guides

Forged pistons compared: CP, JE, Wiseco and Manley

Forged pistons compared for NZ builds: CP, JE, Wiseco and Manley, plus compression ratio, oversizes and matching rods. See the range and order with confidence.

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ARP head studs vs head bolts: what to fit and when

ARP head studs vs factory head bolts for NZ turbo builds, plus ARP2000 kits, main studs, rod bolts and how to torque them. Find the kit for your engine here.

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ACL race bearings: picking the right set for your build

ACL Race Series bearings in NZ: which rod, main and thrust sets suit RB, SR20, 2JZ, 4G63 and EJ builds, plus sizing and clearance. Order from Palmerston North.

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