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Keith Black Pistons KB258.005 +.005" Flat Top Pistons w/8.6:1 Compression Ratio for Big Twin 84-99 w/Evolution Engine • Gaskets are replacement for

SKU: 38220191505

4.7
USD218.00 USD256.00

Pay in 4 interest-free payments of $54.50 Learn more

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 2 - Aug 7

Description

• Gaskets are replacement for OEM O-rings

which is lined with protective fibre-based fabric in all major impact zones and comes with removable CE shoulder and elbow protectors

(1) Balancer bearing puller

• Fits 41mm Fork Tubes

The legendary comfort of the FASTBACK ENDURANCE makes these motocross boots a must-have for riders seeking performance and all-day comfort in any condition

Keith Black Pistons KB258.005 +.005" Flat Top Pistons w/8.6:1 Compression Ratio for Big Twin 84-99 w/Evolution Engine • Gaskets are replacement forFeatures & Benefits: * Bore = 3. 503in. * Stroke = 4. 250in. * 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 # 21941 83 Tech Tips: * 8. 6: 1 Compression Ratio with 80cc Head Chamber Volume. * Follow Ring End Gap & Piston to Cylinder Clearances as per the

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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