Mitsubishi
2nd Generation 7-Bolt
Sport Compact Piston Kits

• Always check piston to valve clearance - If using VTEC or like mechanisms-check w/ longer duration higher lift lobe.
• Always run at least .030 piston to head clearance including gasket thickness.
• If piston appears to be different than expected, please do not hesitate to call Performance Auto Parts at 888-732-1595 to verify compatibility.

Eclipse 1993-01 4G63 2.0 Liter Pistons listed with a compression ratio range: low number is with un-cut deck, high number is block decked to .030 piston to cylinder head clearance.
Part #	Bore	Over Size	Stroke	Rod Lgth	Comp. Ht.	Piston cc's	Comp. Ratio	Gram	Foot Notes	Purchase Online!
K548M85 K548M855 K548M86 K548M865 K548M87 $505	85.00 85.50 86.00 86.50 87.00	Std .020 .040 .060 .080	3.465	5.905	1.378	-17	8.3	327 336 342 353 360 _	1	Discounted Prices!

• Footnotes:
• 1. Most Wiseco pistons have offset pins. Pins must be offset same as o.e. for quietest operation (pin offset will be opposite of direction of engine rotation).
• 2. Due to a compression height that may protrude above the deck, it is recommended that a .040" thick head gasket is used.

Eclipse 1993-01 (1400H.D. with .225" wall tool steel pins) Pistons listed with a compression ratio range: low number is with un-cut deck, high number is block decked to .030 piston to cylinder head clearance.
Part #	Bore	Over Size	Stroke	Rod Lgth	Comp. Ht.	Piston cc's	Comp. Ratio	Gram	Foot Notes	Purchase Online!
K626M85 K626M855 K626M86 K626M865 $595	85.00 85.50 86.00 86.50	Std .020 .040 .060	3.465	5.905	1.378	-14	8.5	336 343 350 357 _	1	Discounted Prices!

• Footnotes:
• 1. Most Wiseco pistons have offset pins. Pins must be offset same as o.e. for quietest operation (pin offset will be opposite of direction of engine rotation).
• 2. Due to a compression height that may protrude above the deck, it is recommended that a .040" thick head gasket is used.

Eclipse 1993-01 4G63 (9.0:1 version) Pistons listed with a compression ratio range: low number is with un-cut deck, high number is block decked to .030 piston to cylinder head clearance.
Part #	Bore	Over Size	Stroke	Rod Lgth	Comp. Ht.	Piston cc's	Comp. Ratio	Gram	Foot Notes	Purchase Online!
K597M85 K597M855 K597M86 $505	85.00 85.50 86.00	Std .020 .040	3.465	5.905	1.378	-10	9.0	341 345 350 _	1	Discounted Prices!

• Footnotes:
• 1. Most Wiseco pistons have offset pins. Pins must be offset same as o.e. for quietest operation (pin offset will be opposite of direction of engine rotation).
• 2. Due to a compression height that may protrude above the deck, it is recommended that a .040" thick head gasket is used.

Eclipse 4G63 with 4G64 Stroker (= 2.3 Liter) Pistons listed with a compression ratio range: low number is with un-cut deck, high number is block decked to .030 piston to cylinder head clearance.
Part #	Bore	Over Size	Stroke	Rod Lgth	Comp. Ht.	Piston cc's	Comp. Ratio	Gram	Foot Notes	Purchase Online!
K596M85 K596M855 K596M86 $505	85.00 85.50 86.00	Std .020 .040	3.937	5.905	1.130	-21	9.0	284 292 310 _	1	Discounted Prices!

• Footnotes:
• 1. Most Wiseco pistons have offset pins. Pins must be offset same as o.e. for quietest operation (pin offset will be opposite of direction of engine rotation).
• 2. Due to a compression height that may protrude above the deck, it is recommended that a .040" thick head gasket is used.

Eclipse 4G63 with 4G64 Stroker (= 2.3 Liter) (1400H.D. with .225" wall tool steel pins) Pistons listed with a compression ratio range: low number is with un-cut deck, high number is block decked to .030 piston to cylinder head clearance.
Part #	Bore	Over Size	Stroke	Rod Lgth	Comp. Ht.	Piston cc's	Comp. Ratio	Gram	Foot Notes	Purchase Online!
K627M85 K627M855 K627M86 $610	85.00 85.50 86.00	Std .020 .040	3.465	5.905	1.130	-21	9.0	292 299 305 _	1	Discounted Prices!

• Footnotes:
• 1. Most Wiseco pistons have offset pins. Pins must be offset same as o.e. for quietest operation (pin offset will be opposite of direction of engine rotation).
• 2. Due to a compression height that may protrude above the deck, it is recommended that a .040" thick head gasket is used.