Brian Crower Connecting Rods - Honda/Acura K20A2 Z3 - 5.473 - LightWeight bROD w/ARP2000 Fasteners - BC6051

Brian Crower Lightweight Connecting Rods — Honda K20A2/K20Z 5.473" (BC6051)

Made from aerospace-grade 4340 chromoly steel, the lightweight bROD is built to deliver the throttle response and RPM range a high-revving K-series demands. At 430 grams these are notably light, and reciprocating mass is what governs how fast the engine picks up and how comfortable it is living past 8,000 rpm.

Every rod is CNC machined, given a micropolished surface finish treatment, and finish honed to exacting tolerances. Aluminum/silicone/bronze pin bushings carry the wrist pin. ARP2000 fasteners.

Rated to 350 whp. That number defines the right build for these — a naturally aspirated K20 chasing revs and response, high compression, aggressive cams, a car that spends its life near redline. Weight savings pay real dividends there. A boosted build wants a heavier rod with more section.

Specs: 5.473" center-to-center, 2.008" big end bore, .780" big end width, .866" pin end bore, .780" pin end width. 430 grams.

Fitment: 02-06 Acura RSX Base and Type-S, 06-11 Honda Civic Si, 08 Civic MUGEN Si — K20A2, K20Z.

Assembly spec: 45 ft-lbs on the 3/8" fasteners.

Set of 4 rods with ARP2000 bolts.