KEITH BLACK PISTONS

Std Flat Top Pistons with 8.6:1 Compression Ratio. Fits Big Twin 1984-1999 with Evo Engine.

$334.00 RRP (inc GST)

  None in stock
MFR PART No: KB258.STD
ROLLIES PART No: KB258.STD

KB919.STD;21940-83

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Purchasing Information:
After you place your order on this site, we will contact you to confirm your order details prior to payment being made. All orders will be processed and fulfilled by one of our authorised dealers. Rollies Speed Shop Distribution is a wholesale business and does not sell directly to the general public. For more info see the Purchasing Information page.

Product Details

Features & Benefits:-

* Bore = 3.498in.

* 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 # 21940-83

Tech Tips:-

* 8.6:1 Compression Ratio with 80cc Head Chamber Volume.

* Follow Ring Eng Gap & Piston to Cylinder Cle arances as per the supplied Manufacturers Instructions.

MFR PART No: KB258.STD
ROLLIES PART No: KB258.STD

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