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KB Hyper - Evolution Flat Top 1984-99

Personalization

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Choose your size*

STD

.005

.010

.020

.030

.040

Choose your size*

STD

.005

.010

.020

.030

.040

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Price: $198.10

Item Number: KB258

Manufacturer: KB Pistons

Specifications
Bore:	3.498	Rod Length:	7.440	Pin Diameter:	0.7920
Stroke:	4.250	Comp. Ht:	1.375	Top Land:	0.000
Minimum Clearance	Click Here To View SPECIAL CLEARANCE REQUIREMENTS	OE Deck Height:	0.000	Weight Piston/Pin:	350/97

Head Type	Flat Top	Effective Head Volume	+ .8cc
Ext. Valve Depth	0.000	Ext. Valve Dia.	0.000
Int. Relief Depth	0.000	Int. Relief Dia.	0.000

Compression Ratios

8.6:1 with 80cc head.

Ring Packs

2-1/16

1-3/16

Ring Sets

2M6127

Pin Number

792X216K

Lock Ring

RRN-81

Notes

FL, FLH, FX 1984 to 99 / 80" CID. Stock Evo replacement. Cylinder height - 5.550". Oversizes: STD, .005, .010, .020, .030, .040

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