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Manganese bronze is softer and less durable than C630 bearing bronze, but will allow for lower cost and reaming to size is quick and easy.
Finishing can be done with simple tools such as a sharpening ball and a power drill.
Rapid heat transfer and excellent lubricity.
Note: Standard non-oversized dimensions (for reference only) are 0.5650" OD (14.35 mm); 0.3760" ID (9.55 mm); 1.880" OAL (47.75 mm).
Note: Special manganese reamers and dressers available.
Fits: > 48-65 Panhead; 66-78 74" (1200) Shovel (NU)
KPMI Exhaust Valve Guide. Manganese Bronze. +.010" for Harley-Davidson
20.95 €
Finishing can be done with simple tools such as a sharpening ball and a power drill.
Rapid heat transfer and excellent lubricity.
Note: Standard non-oversized dimensions (for reference only) are 0.5650" OD (14.35 mm); 0.3760" ID (9.55 mm); 1.880" OAL (47.75 mm).
Note: Special manganese reamers and dressers available.
Fits: > 48-65 Panhead; 66-78 74" (1200) Shovel (NU)