+.040in. Dome Top Pistons with 9.6:1 Compression Ratio. Fits Big Twin 1984-1999 with Evo Engine.

$457.00

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Piston and piston ring kit for motorcycle engine rebuilds at Revelry Motorcycles.
+.040in. Dome Top Pistons with 9.6:1 Compression Ratio. Fits Big Twin 1984-1999 with Evo Engine.
$457.00
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What is 7+4?

Features & Benefits:-

* Bore = 3.538″

* Stroke = 4.250″

* 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.

Tech Tips:-

* 9.6:1 Compression Ratio with 80cc Head Chamber Volume.

* Follow Ring End Gap & Piston to Cylinder Clearances as per the supplied Manufact urers 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.

MFR PART No: KB305.040
REVELRY PART No: KB305.040

Additional information

Weight 1.3 kg
Dimensions 25 × 12 × 12 cm