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+.040in. Pistons with 8.5:1 Compression Ratio. Fits Big Twin 1941-1979 with 1200cc Engine. - Keith Black Pistons Speedo 4.5" Tank Mt 1936-03 Great low to mid RPM

SKU: 51075903608

4.3
USD328.00 USD370.00

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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 20 - Aug 25

Description

Great low to mid RPM power

* Includes new rubber seal for a clean

(1750-5600 rpm)

* Advised to add a small drop of blue loctite to headlight insert screws after assembly

Our Tool Roll is made of wet waxed UV treated cotton canvas that will age and show character over time

+.040in. Pistons with 8.5:1 Compression Ratio. Fits Big Twin 1941-1979 with 1200cc Engine. - Keith Black Pistons Speedo 4.5" Tank Mt 1936-03 Great low to mid RPMFeatures & Benefits: * Bore = 3. 477 * Stroke = 3. 969 * Hypereutectic Alloy is a cast 16% silicon content material. * Perfect for air cooled engines. * Low thermal expansion rate = tighter piston to cylinder clearance. * Complete kit includes: two pistons, rings, wrist pins and clips. * Replaces OEM # 22146 55C * Replaces OEM # 22146 74A Tech Tips: * Follow Ring End Gap & Piston to Cylinder Clearances as per the supplied Manufacturers Instructions. *

Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy

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