condition: excellent make / manufacturer: Harley Davidson model name / number: Hyperformance 2 1/2 Stage
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Everything you need to make your Twin Cam 88a 98 cu.in. without touching the lower end.
98 cubic cylinders and pistons.
510 s-s cams
2 1/2 stage hyperformance heads with compression
Cylinders and heads are diamond cut .
This combo was on a 2002 Road King and put out 110 hp - 111 ft. torque
Nothing wrong with them...just upgraded higher
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