JP Performance products for AJS Motorcycle 20 498cc, OHV, CR 7.8:1 engines

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20 498cc, OHV, CR 7.8:1

JPO791

AJS Motorcycle 20 498cc, OHV, CR 7.8:1

Metric Bore
66
Imp Bore
2.5984
Head Shape
4J +0.504? (12.8)
Clips
SC 19
Cylinders
2
Crown
dome
Comp Height
1.9606
Length Inches
2.835
D.B.B
1.134
Ring Comp
2 x 1/16"
Rings Oil
1 x 4mm
OC
P
Pin OD
0.75
Pin Type
P

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