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Built for serious high-boost power, this fully machined 1.75L closed-deck short block stretches the G16E-GTS to 1,746cc with an 88.0mm bore and a 95.7mm stroke. HKS assembles it with High-Comp Triple-Tumble (HC-TT) pistons, Step 3 high-strength I-beam rods rated roughly 25% stronger than stock, a full-counter chromoly crankshaft, and upgraded ACL bearings. Converting the block to a closed deck braces the cylinders against deformation under extreme combustion pressure, giving big-turbo builds a rock-solid foundation. Supplied as a bare short block for a complete engine build.
Details: Displacement: 1,746cc (stock 1,618cc); Bore: 88.0mm (stock 87.5mm); Stroke: 95.7mm (stock 89.7mm); HKS machined High-Comp Triple-Tumble (HC-TT) pistons; Step 3 high-strength machined I-beam connecting rods (~25% stronger than OEM); Full-counter machined chromoly crankshaft; ACL main and connecting-rod bearings; Step 3 closed-deck block; Stock balance shafts cannot be reused
Fitment: 2023+ Toyota GR Corolla (GZEA14H) and GR Yaris (GXPA16), G16E-GTS 1.6L turbo — Bare short block for a full engine build; stock balance shafts cannot be reused. Head gasket, head studs and supporting parts required separately. Typically a wire-transfer special order.
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