KB PERFORMANCE - KB258.020/Hypereutectic Piston Kit - Piston Kit

~~$222.43~~ $211.31 -4%

Quantity:

- +

Ask a Question

Description

Features

Manufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloy
Allow a tighter fit and longer piston and ring life
Diamond-machined pistons are held to plus or minus one gram weight and less than one-half-thousandth-inch (.0005") tolerances from piston to piston
Each kit contains two pistons, pins, spiral-lock pin clips and Hastings moly rings
Replacement piston rings and pin lock rings available separately

Note

KB pistons can be installed tighter than other pistons. This results in less piston rock and better ring seal. Please read instructions included with piston for correct piston clearance.
Due to the thermal conductivity and design of KB pistons, special attention is required to the top ring end gap. Please read instructions furnished with piston for correct ring installation.

Specs

Product Name	Piston Kit
Piston Material	Hypereutectic Alloy
Bore Size	3.498"
Bore Oversize	+0.020"
Compression Ratio	8.6:1
Units	Kit
Riding Style	Street

Fitments

2000	Harley-Davidson	FXR4
1999	Harley-Davidson	FXR2
1999	Harley-Davidson	FXR3
1999	Harley-Davidson	FXSTB Night Train
1998	Harley-Davidson	FLHRCI Road King Classic
1998	Harley-Davidson	FLTR Road Glide
1998	Harley-Davidson	FLTRI Road Glide
1998	Harley-Davidson	Electra Glide Ultra Classic FLHTCU
1998	Harley-Davidson	Road King EFI FLHR
1997-1999	Harley-Davidson	FLSTS Heritage Springer
1996-1998	Harley-Davidson	FLHTCI Electra Glide Classic
1996-1997	Harley-Davidson	FLHRI Road King
1996	Harley-Davidson	FLTCUI Tour Glide Ultra Classic
1996	Harley-Davidson	Tour Glide Ultra Classic FLTCU
1995-1998	Harley-Davidson	FLHTCUI Electra Glide Ultra Classic
1995-1998	Harley-Davidson	FXD Dyna Super Glide
1995-1998	Harley-Davidson	FXDS-Conv Dyna Convertible
1995-1997	Harley-Davidson	FXSTSB Bad Boy
1995	Harley-Davidson	Electra Glide Classic EFI FLHTCI
1994-1998	Harley-Davidson	FLHR Road King
1994-1996	Harley-Davidson	FLSTN Heritage Softail Special
1994	Harley-Davidson	Tour Glide Classic FLTC
1993-1998	Harley-Davidson	FXDL Dyna Low Rider
1993-1998	Harley-Davidson	FXDWG Dyna Wide Glide
1993	Harley-Davidson	FLSTN Heritage Softail Nostalgia
1993	Harley-Davidson	Sport Glide FXRT
1992	Harley-Davidson	FXDC Super Glide Custom
1992	Harley-Davidson	FXDB-D Dyna Glide Daytona
1990-1999	Harley-Davidson	FLSTF Fat Boy
1990-1993	Harley-Davidson	FXRS-Conv Low Rider Sport Convertible
1989-1997	Harley-Davidson	FLHTCU Electra Glide Ultra Classic
1989-1995	Harley-Davidson	FLTCU Tour Glide Ultra Classic
1989-1990, 1993	Harley-Davidson	Low Rider FXRS
1988-1999	Harley-Davidson	FLSTC Heritage Softail Classic
1988-1999	Harley-Davidson	FXSTS Springer Softail
1988-1993	Harley-Davidson	FXRS-SP Low Rider Sport
1987-1994	Harley-Davidson	FXLR Low Rider Custom
1987-1993	Harley-Davidson	FLHS Electra Glide Sport
1987	Harley-Davidson	Softail Heritage Classic FLSTC
1986-1999	Harley-Davidson	FXSTC Softail Custom
1986-1994	Harley-Davidson	FXR Super Glide II
1986-1990	Harley-Davidson	FLST Heritage Softail
1986-1987, 1995-1998	Harley-Davidson	FLHT Electra Glide Standard
1986	Harley-Davidson	FXRD Sport Glide Grand Touring
1985-1986	Harley-Davidson	FXWG Wide Glide
1985, 1987	Harley-Davidson	FXRC Low Rider Chrome
1985	Harley-Davidson	FXEF Fat Bob
1985	Harley-Davidson	FXSB Low Rider - Belt
1985	Harley-Davidson	Electra Glide Standard FLHT
1984-1998	Harley-Davidson	FLHTC Electra Glide Classic
1984-1993	Harley-Davidson	FXST Softail Standard
1984-1993	Harley-Davidson	FLTC Tour Glide Classic
1984-1992	Harley-Davidson	FXRT Sport Glide
1984-1988, 1991-1992	Harley-Davidson	FXRS Low Glide
1984	Harley-Davidson	FXRDG Disc Glide

Fitment Disclosure

This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.

General Safety Warning

Failure to follow manufacturer's recommendations and requirements can cause product failure resulting in serious injury or death. While effort has been taken in collecting accurate fitment information, LeMans Corporation accepts no liability for loss or damage resulting from errors or omissions.

Caring for wheels

Periodically cleaning of your wheels is necessary to maintain a high luster, especially 24K gold plated wheels these require extra care. Always clean using a mild dish soap and water such as Dawn and a clean microfiber cloth, to clean inside the hub and spokes use a soft horse hair paint brush. NEVER use any harsh cleaning compounds or waxes as the are abrasive and will remove the gold plating. During storage spray a light coating of WD40 on the wheels to prevent rusting.

Guaranteed safe checkout:

Hoorey ! This item ships free to the lower 48 states for purchases over $100

Size	Bust	Waist	Hips	US/CAN
XS	32-33	24-25	35-36	0/1
S	34-35	26-27	37-38	3/5
M	36-37	28-29	39-40	7/9
L	38.5-40	30.5-32	41.5-43	11/13
XL	41 1/2	33 1/2	44 1/2	15
1X	44-45.5	37-38.5	47-48.5	14/16
2X	47-49	40-42	50-52	18/20
3X	51-53	44-46	54-56	22/24

Size	Bust	Waist	Hips	UK	EU	AUS
XS	81-84	61-64	89-91	2/4	32/34	4/6
S	86-89	66-69	94-97	6/8	36/38	8
M	91-94	71-74	99-102	10/12	40	10/12
L	98-102	77-81	105-109	14	42	14/16
XL	105	85	113	16	44	18
1X	112-116	94-98	119-123	18	44/46	18/20
2X	119-124	102-107	127-132	20/22	48/50	22/24
3X	129-135	112-117	137-142	24/26	52/54	26/28

Size	Waist	Hips	US/CAN
XS	24-25	35-36	0/1
S	26-27	37-38	3/5
M	28-29	39-40	7/9
L	30.5-32	41.5-43	11/13
XL	33 1/2	44 1/2	15
1X	37-38.5	47-48.5	14/16
2X	40-42	50-52	18/20
3X	44-46	54-56	22/24

Size	Waist	Hips	UK	EU	AUS
XS	61-64	89-91	2/4	32/34	4/6
S	66-69	94-97	6/8	36/38	8
M	71-74	99-102	10/12	40	10/12
L	77-81	105-109	14	42	14/16
XL	85	113	16	44	18
1X	94-98	119-123	18	44/46	18/20
2X	102-107	127-132	20/22	48/50	22/24
3X	112-117	137-142	24/26	52/54	26/28

Size	US/CAN	UK	EU	AUS
5	5	3	36	5
5.5	5.5	3.5	36.5	5.5
6	6	4	37	6
6.5	6.5	4.5	37.5	6.5
7	7	5	38	7
7.5	7.5	5.5	38.5	7.5
8	8	6	39	8
8.5	8.5	6.5	39.5	8.5
9	9	7	40	9
9.5	9.5	7.5	40.5	9.5
10	10	8	41	10

Size	Chest	Waist
S	35-37	29-31
M	38-40	32-34
L	42-44	36-38
XL	46-48	40-42
XXL	50-52	44-46
XXXL	54-56	48-50

Size	Bottom (US)	Seat/Low (IN)	Inseam
S	28-30	35-36	32
M	32-34	36-40	32
L	36-38	40-44	32
XL	38-40	44-47	32
XXL	42-44	47-49	32
XXXL	46-48	49-51	32

Size	Bottom	Seat/Low	Inseam
S	71.1-76.2	88.9-91.4	81.3
M	81.2-86.3	91.4-101.6	81.3
L	91.4-96.5	106.7-111.7	81.3
XL	96.5-101.6	111.7-119.4	81.3
XXL	106.7-111.7	119.4-124.4	81.3
XXXL	116.8-121.9	124.4-129.5	81.3

Size	Top(US)	Chest(IN)
S	34-36	35-37
M	38-40	38-40
L	42	42-44
XL	46	46-48
XXL	48	50-52
XXXL	50	54-56

Size	Top	Chest
S	86.4-91.4	88.9-94
M	96.5-101.5	96.5-101.5
L	106.7	106.7-111.7
XL	116.8	116.8-121.9
XXL	121.9	127-132
XXXL	127	137.1-142.2

US Size	Age (years)	Height	Weight (lb)	Bust	Waist	Hip	Inseam
2	1.5-2	33-36	30-33	20-21	19.5-20.5	20.5-21.5	13.4-14.5
3	2-3	36-39	33-36	20.5-21.5	20-21	21.5-22.5	15-16
4	3-4	39-42	36-40	21.5-22.5	21-22	22.5-23.5	16-17.5
5	4-5	42-45	42-46	22.5-23.5	22-23	23.5-24.5	18-19
6	5-6	45-48	48-54	23.5-24.5	23-24	24.5-25.5	19.5-20.5
7	6-7	48-51	56-60	25-26	25	26 1/2	21-22
8	7-8	51-53	62-66	26.5-27.5	27 1/2	28	22.5-23.5
10	10	53-55	68-74	28-29	29	29 1/2	24-25
12	12	55-59	76-84	29.5-30.5	30 1/2	31	25.5-26.5
14	14	59-63	86-96	31-32	32	32 1/2	27-28

US Size	Age (years)	Height	Weight (kg)	Chest	Waist	Hip	Inseam
2	1.5-2	84-91.5	13.6-15	50.8-53.5	49.5-52.1	52.1-54.6	34.3-36.8
3	2-3	91.5-99	15-16.3	52.1-54.6	50.8-53.5	54.6-57.2	36.8-40.6
4	3-4	99-106.7	16.3-18.1	54.6-57.2	53.5-55.9	57.2-59.7	40.6-44.5
5	4-5	106.7-114.3	19.1-20.9	57.2-59.7	55.9-58.4	59.7-62.2	44.5-48.3
6	5-6	114.3-121.9	21.8-24.5	59.7-62.2	58.4-61	62.2-64.8	48.3-52.1
7	6-7	121.9-129.5	25.4-27.2	63.5-66	63.5	67.3	53.3-55.9
8	7-8	129.5-134.6	28.1-29.9	67.3-69.9	69.9	71.1	57.2-59.7
10	10	134.6-139.7	30.8-33.6	71.1-73.7	73.7	74.9	61-63.5
12	12	139.7-149.9	34.5-38.1	74.9-77.5	77.5	78.7	64.8-67.3
14	14	149.9-160	39-43.5	78.7-81.3	81.3	82.6	68.6-71.1