RSX K20 Ported Oil Pump Kit — Modified for K24 / K20Z3 Blocks

Upgrade your high-RPM K-Series engine with a genuine, brand-new OEM Factory K20A2 PRB Ported Oil Pump Kit. Precision CNC-machined in-house by Golden Eagle Mfg., this kit deletes the heavy, power-robbing factory balance shafts found in K24 and K20Z3 engines—freeing up parasitic horsepower and ensuring consistent oil pressure exactly where you need it most.

Performance Features

• CNC Precision Machined: Fully clearanced and ready to bolt straight onto K24A and K20Z3 engine blocks.
• Enhanced Flow & RPM Capacity: Internal porting increases oil volume/flow by 25%, allowing continuous, safe operation above 9,000 RPM.
• High-RPM Track Tested: Extensively tested and proven stable at over 11,000 RPM with zero oil cavitation or foaming.
• 100% Inspected Quality: Every pump is ultra-sonic cleaned, lubricated, and hand-checked for strict tolerances in-house before shipment.

What's Included in the Box

• (1) New OEM K20A2 Oil Pump (CNC Modified for K24/K20Z3 clearance)
• (1) New OEM K20A2 Oil Pump Chain (64L)
• (1) New OEM K20A2 Chain Guide
• (1) New OEM K20A2 Baffle Plate (Windage Tray)
• (1) 3/8" NPT Pipe Tap & Flush-Mount Block-Off Plug
• (1) Tube of Genuine Hondabond High-Temp Silicone
• All required mounting bolts and premium hardware

Vehicle & Engine Applications

Direct Bolt-On: Honda/Acura K24A Series & K20Z3 Engine Blocks.

⚠️ Fitment Warning: Will NOT bolt up to K24Z-Series engine blocks without extensive, custom user-side modifications.

Critical Technical & Installation Notes

🚨 OIL PAN COMPATIBILITY (REQUIRED)

Removing the factory balance shafts means you CANNOT reuse your stock K24 or K20Z3 steel oil pan. The original pan shapes leave the new Type-S pump pickup sitting too high, risking catastrophic engine starvation. You must switch to an aluminum oil pan configuration, such as the RSX Type-S pan or the JDM Civic Type R RRC aluminum pan (Part #11200-RRC-000).

🛞 CHASSIS CLEARANCE WARNING

If you are installing a K24 block into an 8th-Gen Civic Si (FG2/FA5) or a 2002–2006 RSX using an aluminum oil pan, the aluminum pan may slightly contact the subframe or lower frame rail. Subtle clearancing or minor subframe notch modifications may be required depending on your choice of aftermarket engine mounts.

🛠️ BLOCK PLUGGING REQUIREMENT

Because factory balance-shaft blocks are not threaded at the oil feed orifice on the bottom of the main girdle, you must cut threads into the oil galley with the supplied 3/8" pipe tap. Seal it permanently using the provided 3/8" plug and Hondabond to prevent an immediate drop in oil pressure.

⚙️ TENSIONER COMPATIBILITY & REQUIREMENTS

Building a K24A Block? You can RE-USE your factory K24A oil pump chain tensioner to complete this installation. Purchasing a new one is an optional preventative upgrade.

Building a K20Z3 Block? The original Z3 tensioner cannot be reused. The stock K20Z3 balance-shaft tensioner features an incompatible bolt pattern and offset that will not bolt onto this Type-S conversion layout. You MUST purchase and use K24A tensioner Part #13450-RAA-A02 (Available as an optional add-on choice at checkout).

OEM Part Numbers Included

• Pump Assembly, Oil: 15100-PRB-A01
• Chain (64L): 13441-PCX-004
• Guide, Oil Pump Chain: 13460-PNC-004
• Plate, Baffle: 11221-PNC-000
• Bolt, Flange (6X25): 95701-06025-08
• Bolt, Flange (8X50): 95701-08050-08
• Bolt, Flange (8X75): 95701-08075-08
• Bolt, Flange (6X14) 6pc: 95701-06014-08