Wiseco Pistons K1 H Beam Rods Eclipse GST GSX 4G63 4G63T 6 Bolt

This is a set of Wiseco Pistons and K1 H Beam Rods for 6 Bolt Mitsubishi 4g63t 2.0L Turbo engines found in early model Mitsubishi Eclipses, and several other platforms. Please verify you have a 6 bolt crank (and not a later model 7 bolt crank) before purchasing these parts. 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?
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Whether 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 BOLTS

Wiseco Piston Part Numbers 
1st Gen 6 Bolt Eclipse 1988-92

Part #	Application	Bore Size	Compression Ratio
K559M85	4g63 6bolt	85.00mm (Standard Bore)	8.3:1
K559M855	4g63 6bolt	85.50mm (+.020" Overbore)	8.3:1
K559M86	4g63 6bolt	86.00mm (+.040" Overbore)	8.3:1
K559M865	4g63 6bolt	86.50mm (+.060" Overbore)	8.3:1
K560M85	4g63 6bolt	85.00mm (Standard Bore)	9.0:1
K560M855	4g63 6bolt	85.50mm (+.020" Overbore)	9.0:1
K560M86	4g63 6bolt	86.00mm (+.040" Overbore)	9.0:1
K560M865	4g63 6bolt	86.50mm (+.060" Overbore)	9.0:1

1st Gen 6 Bolt Eclipse w/ 2.4L 4g64 Crank (2.3 Stroker)

Part #	Application	Bore Size	Compression Ratio
K571M85	4g63 6bolt 2.3 Stroker	85.00mm (Standard Bore)	8.8:1
K571M855	4g63 6bolt 2.3 Stroker	85.50mm (+.020" Overbore)	8.8:1
K571M86	4g63 6bolt 2.3 Stroker	86.00mm (+.040" Overbore)	8.8:1