The kit includes four forged 4340 chrome-moly H-beam connecting rods (one set of 4), genuine 3/8" ARP 2000 bolts, and bronze wrist-pin bushings already fitted. It is a complete 4-piece rod set intended to replace the stock D16 connecting rods.
These rods are designed for many JDM and global D16 series applications listed in the product description — including CRX, Civic (various trims such as Si, EX, HX, GX), Integra (1986–1989), Del Sol, Domani and others. Because fitment varies by market and year, you should verify the 137 mm center-to-center length and rod end dimensions against your engine before purchase.
Center-to-center length: 137 mm (5.394"). Big-end diameter: 48 mm. Small-end diameter: 19 mm. Big-end width: 22.8 mm. Small-end width: 18.2 mm. Material: forged SAE 4340 chrome-moly steel. Weight matched to ±1 g per rod.
Yes — genuine 3/8" ARP 2000 bolts (rated ~220,000 psi) are included. An upgrade to higher-strength ARP L19 bolts (approx. 260,000 psi) is available as an optional, extra-cost item — contact the seller to request the upgrade.
The street version is advertised at around 200 HP per rod, while a track version is advertised at around 250 HP per rod. Actual safe power depends on your build (bolting method, balancing, rotating assembly, and forced induction). Consult an engine builder for high-boost or high-RPM applications.
Possibly. The manufacturer specifically notes that you may need to notch the block for clearance with D16Y7, D16Y8, and D16Z6 engines. Confirm clearance and plan any necessary block work before purchase or installation.
Each rod is forged from SAE 4340, multi-stage heat treated, shot-peened, CNC machined, magnetically particle-inspected, 100% X-rayed and sonic-tested. Bores are finished to ±0.01 mm and sets are weight matched within ±1 g.
They use an H-beam design. H-beams provide a high strength-to-weight ratio and resist bending/twisting under high loads, making them a common choice for racing and high-performance engines.
Yes — wear-resistant bronze wrist-pin bushings are fitted to each small end. Bronze bushings improve wrist-pin life and reduce wear compared with plain small-end finishes when used with compatible pins.
Forged 4340 rods are robust and commonly used in boosted builds, but suitability depends on your target power, RPM, bolt choice, and overall engine assembly. For high-boost/high-power applications we recommend upgrading to ARP L19 bolts, balancing the rotating assembly, and consulting an experienced engine builder.
Follow ARP's bolt installation instructions (torque or stretch method) and use the correct rod bearings and clearances for your crank. Always install with a calibrated torque wrench or a stretch gauge when recommended, and have your rotating assembly dynamically balanced after installation. If unsure, have a professional engine builder perform the installation.
Yes — the rods are 100% CNC machined. The product states CNC precision down to approximately ±0.0004 in for some surfaces and bores finished to ±0.01 mm, with precise cap alignment dowels.
The description notes TÜV certification for the connecting rods and they undergo magnaflux (magnetic particle), X-ray and sonic testing as part of quality control.
Yes — the listing mentions a street and track version with different advertised HP ratings. Optional upgrades include ARP L19 bolts, titanium-plated models, and non-bolt (different cap fastening) variants. Contact the seller for available configurations and pricing.
The product description does not specify a warranty or return policy. For returns, warranty, or specific fitment questions (including whether your engine will require block notching), contact the seller directly before purchase so they can provide exact shipping/return/warranty terms and confirm compatibility.
Discover our latest orders