Acura / Honda
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 1-888-732-1595 to verify compatibility.

Integra 1994-01 B18C 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!
K541M81 K541M815 K541M82 $505	81.00 81.50 82.00 _	Std .020 .040 _	3.433	5.433	1.181	-12	8.6-8.9	268 274 280 _	1	Discounted Prices!
K542M81 K542M815 K542M82 $454	81.00 81.50 82.00 _	Std .020 .040 _	3.433	5.433	1.175	-4FT	9.7-10.2	268 276 281 _	1	Discounted Prices!
K566M81 K566M815 K566M82 $505	81.00 81.50 82.00 _	Std .020 .040 _	3.433	5.433	1.185	5	11.8-12.25	275 280 284 _	1	Discounted Prices!
K593M81 K593M815 K593M82 $519	81.00 81.50 82.00 _	Std .020 .040 _	3.433	5.433	1.181	8.25	12.5-13.2	270 278 281 _		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.

Integra 1990-00 B18A1/B1 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!
K541M81 K541M815 K541M82 $505	81.00 81.50 82.00 _	Std .020 .040 _	3.504	5.394	1.181	-12	8.3-8.6	268 274 280 _	1	Discounted Prices!
K542M81 K542M815 K542M82 $454	81.00 81.50 82.00 _	Std .020 .040 _	3.504	5.394	1.175	-4FT	9.3-9.8	268 276 281 _	1	Discounted Prices!
K566M81 K566M815 K566M82 $505	81.00 81.50 82.00 _	Std .020 .040 _	3.504	5.394	1.185	5	11.1-11.6	275 280 284 _	1	Discounted Prices!
K593M81 K593M815 K593M82 $519	81.00 81.50 82.00 _	Std .020 .040 _	3.504	5.394	1.181	8.25	11.8-12.4	270 278 281 _	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.

Integra 1992-93 B17A 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!
K542M81 K542M815 K542M82 $454	81.00 81.50 82.00 _	Std .020 .040 _	3.205	5.208	1.175	-4FT	9.1-9.4	268 276 281 _	1	Discounted Prices!
K566M81 K566M815 K566M82 $505	81.00 81.50 82.00 _	Std .020 .040 _	3.205	5.208	1.185	5	10.9-11.25	275 280 284 _	1,2	Discounted Prices!
K593M81 K593M815 K593M82 $519	81.00 81.50 82.00 _	Std .020 .040 _	3.205	5.208	1.181	8.25	11.8-12	270 278 281 _	1,2	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.

Civic SI 1993-01 B16A (Must use at least .040" thick gasket) 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!
K542M81 K542M815 K542M82 $454	81.00 81.50 82.00 _	Std .020 .040 _	3.047	5.290	1.175	-4FT	8.8-9.0	268 276 281 _	1	Discounted Prices!
K566M81 K566M815 K566M82 $505	81.00 81.50 82.00 _	Std .020 .040 _	3.047	5.290	1.185	5	10.75	275 280 284 _	1,2	Discounted Prices!
K593M81 K593M815 K593M82 $519	81.00 81.50 82.00 _	Std .020 .040 _	3.047	5.290	1.181	8.25	11.5	270 278 281 _	1,2	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.

CRV/Vtec 1997-02 B20B with B16A Head 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!
K545M84 K545M845 K545M85 $505	84.00 84.50 85.00 _	Std .020 .040 _	3.504	5.394	1.181	-18	8.4-8.8	271 277 284 _	1	Discounted Prices!
K623M84 K623M845 $454	84.00 84.50 _	Std .020 _	3.504	5.394	1.181	-3FT	10.4-10.9	291 296 _	1	Discounted Prices!
K567M84 K567M845 K567M85 $519	84.00 84.50 85.00 _	Std .020 .040 _	3.504	5.394	1.181	2	11.3-12.0	282 287 293 _	1	Discounted Prices!
K594M84 K594M845 K594M85 K594M855 K594M86 $519	84.00 84.50 85.00 85.50 86.00 _	Std .020 .040 .060 .080 _	3.504	5.394	1.181	8.25	13.2-14.2	275 279 286 292 297 _	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.

RSX-S 2002-06 K20 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!
K568M86 K568M865 K568M87 K568M875 K568M88 K568M89 $505	86.00 86.50 87.00 87.50 88.00 89.00 _	Std .020 .040 .060 .080 .120 _	3.386	5.472	1.181	-9	9.0	290 298 303 307 312 322 _	1	Discounted Prices!
K631M86 K631M865 K631M87 K631M875 Call	86.00 86.50 87.00 87.50 _	Std .020 .040 .060	3.386	5.472	1.181	-3.5FT	9.8	_	1	Discounted Prices!
K573M86 K573M865 K573M87 K573M875 K573M88 K573M89 $505	86.00 86.50 87.00 87.50 88.00 89.00 _	Std .020 .040 .060 .080 .120 _	3.386	5.472	1.181	8	11.7	320 325 330 336 341 359 _	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.

K24 with K20 Cylinder Head 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!
K622M87 K622M875 K622M88 $505	87.00 87.50 88.00 _	Std .020 .040 _	3.897	5.984	1.181	-21	8.8	313 320 326 _	1	Discounted Prices!
K568M87 K568M875 K568M88 K568M89 $505	87.00 87.50 88.00 89.00 _	Std .020 .040 .060	3.897	5.984	1.181	-9	10.2	303 307 312 322	1	Discounted Prices!
K631M87 K631M875 Call	87.00 87.50	Std .020 _	3.897	5.984	1.181	-3.5FT	11.1	320 335 _	1	Discounted Prices!
K573M87 K573M875 K573M88 K573M89 $505	87.00 87.50 88.00 89.00 _	Std .020 .040 .080	3.897	5.984	1.181	8	13.7	330 336 341 359	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.

Prelude 1992-95 Iron Bore H22 (1996 and up must run sleeved bores) 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!
K544M87 K544M88 K544M89 $505	87.00 88.00 89.00 _	Std .040 .080 _	3.571	5.636	1.219	-14	8.5	314 331 337 _	1	Discounted Prices!
K572M87 K572M88 K572M89 $519	87.00 88.00 89.00 _	Std .040 .080 _	3.571	5.636	1.219	7	11.5	333 346 355 _	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.

Prelude H23 (To be run with .030" piston to head minimum Requires .040" gasket min.) 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!
K544M87 K544M88 K544M89 $505	87.00 88.00 89.00 _	Std .040 .080 _	3.740	5.571	1.219	-14	9.3	314 331 337 _	1	Discounted Prices!
K572M87 K572M88 K572M89 $519	87.00 88.00 89.00 _	Std .040 .080 _	3.740	5.571	1.219	7	13.0	333 346 355 _	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.

S2000 F20 & F22 (FRM cylinder MUST run sleeved bores) 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!
F20 K632M87 K632M875 K632M89 $505	87.00 87.50 89.00 _	Std .020 .080 _	3.307	6.023	1.141	-10	8.5	302 307 326 _	1,2	Discounted Prices!
F22 K632M87 K632M875 K632M89 $505	87.00 88.00 89.00 _	Std .040 .080 _	3.573	5.892	1.141	-10	9.0	302 307 326 _	1,2	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.

Civic SOHC 1992+ D16Z6,D16Y7 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!
K546M755 $505	75.50 _	.020 _	3.543	5.394	1.174	-15.4	8.5	232 _	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.

Civic SOHC 1990 D16Y8 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!
K543M75 K543M755 $505	75.00 75.50 _	Std .020 _	3.543	5.394	1.148	-14	8.5-9.0	222 230 _	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.

Civic D17 2000-05 D17 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!
K624M75 K624M755 $505	75.00 75.50 _	Std .020 _	3.716	5.394	1.063	-14	8.8	210 217 _	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.