Details
New HKS Capacity Upgrade Kit for FA20 Toyota GT86 / Subaru BRZ engines. Create your perfect FA21 with this 2.1L (2091cc) stroker kit! The low compression type FA20 2.1L Capacity Upgrade kit for high boost tuning features newly developed high durable low compression pistons to take FA20 engine to the next level.
Pistons
Forged material for improved durability
Cavity is designed in the piston crown to optimise fuel atomisation during injection
3D Piston crown design to optimise tumble flow
Pistons are recessed to match high lift HKS camshafts
Wide compression ratio range depending on gasket specification
Molybdenum coated pistons to reduce friction
Desinged to fit stock liners so boring is not necessary
Connecting Rods
High durability I-Beam cracked connecting rod is used for long stroke
Big end size is designed to omit modification of the engine block
Optimised con rod bolt size
Genuine Nissan Bearings are required
Crankshaft
90.0mm stroke
Forged material
Bespoke pin journal design