+.020in. Pistons with 9.5:1 Compression Ratio. Fits Big Twin 1978-1984 with 80ci Shovel Engine.

$912 $820.80

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Features & Benefits:-

* ID # 3717

* Bore = 3.518in.

* Stroke = 4.250in.

* Fully CNC machined

* Balanced to +/- 1 gram

* Double forced pin oilers

* Forged from high strength 2618 alloy

* Designed for maximum performance, horsepower and reliability

* Complete kit includes two pistons, ring sets, wrist pins and clips

Tech Tips:-

* Suggested additional purchase – top end gasket kit # CG-C9967

* Follow ring end gap and piston to cylinder clearances as per the supplied manufacturers instructions

* Pull the engine down first & measure the existing bore to determine if oversize pistons are required PRIOR to purchase, we do not take back piston kits. The onus is on the assembling technician to validate the cylinders & required pistons.

Proudly made in the USA by CP Carrillo Pistons!

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