This is a set of Wiseco Pistons and K1 H Beam Rods for the Honda Acura K20A2 K20Z1 Engines. Just select which part number best fits your application from the list below, and include that part number in the paypal notes section of your payment.
The K1 Rod is an excellent H Beam rod that comes with ARP2000 Rod Bolts. We prefer to use K1 Rods for applications in the 175hp per cylinder range.
Have a question about bore size or compression ratio?
Want an expected ship date on a specific part number?
Email us now at Sales@RealStreetPerformance.comWhether you damaged your stock internals, you are building an all out race engine, or you are just looking to upgrade your stock bottom end. Wiseco is one of the most trusted and affordable options on the market period.
PISTONS COME WITH RINGS, WRIST PINS, AND LOCKS!
K1 RODS COME WITH ARP ROD BOLTSWiseco Piston Part Numbers RSX-S 2002-06 K20 (w/ Deeper Larger Valve Pockets)| Part # | Application | Bore Size | Compression Ratio |
| K568M86 | K20 | 86.00mm (Standard Bore) | 9.0:1 |
| K568M865 | K20 | 86.50mm (+.020" Overbore) | 9.0:1 |
| K568M87 | K20 | 87.00mm (+.040" Overbore) | 9.0:1 |
| K568M875 | K20 | 87.50mm (+.060" Overbore) | 9.0:1 |
| K568M88 | K20 | 88.00mm (+.080" Overbore) | 9.0:1 |
| K568M885 | K20 | 88.50mm (+.100" Overbore) | 9.0:1 |
| K568M89 | K20 | 89.00mm (+.120" Overbore) | 9.0:1 |
| K631M86 | K20 | 86.00mm (Standard Bore) | 9.8:1 |
| K631M865 | K20 | 86.50mm (+.020" Overbore) | 9.8:1 |
| K631M87 | K20 | 87.00mm (+.040" Overbore) | 9.8:1 |
| K631M875 | K20 | 87.50mm (+.060" Overbore) | 9.8:1 |
| K634M87 | K20 | 87.00mm (+.040" Overbore) | 11.0:1 |
| K634M875 | K20 | 87.50mm (+.060" Overbore) | 11.0:1 |
| K634M89 | K20 | 89.00mm (+.120" Overbore) | 11.0:1 |
| K634M895 | K20 | 89.50mm (+.140" Overbore) | 11.0:1 |
| K573M86 | K20 | 86.00mm (Standard Bore) | 11.7:1 |
| K573M865 | K20 | 86.50mm (+.020" Overbore) | 11.7:1 |
| K573M87 | K20 | 87.00mm (+.040" Overbore) | 11.7:1 |
| K573M875 | K20 | 87.50mm (+.060" Overbore) | 11.7:1 |
| K573M88 | K20 | 88.00mm (+.080" Overbore) | 11.7:1 |
| K573M885 | K20 | 88.50mm (+.100" Overbore) | 11.7:1 |
| K573M89 | K20 | 89.00mm (+.120" Overbore) | 11.7:1
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K1 H Beam Rod Part Numbers | Part # | Application |
| HH5472AEGB4 | K20A2 / K20Z1 |
