+.040in. Dome Top Pistons with 8.3:1 Compression Ratio. Fits Big Twin 1978-1984 with 1340cc Shovel Engine.

$457.00

DS-751263

2 in stock (can be backordered)

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Piston kits with connecting rings, essential for motorcycle engine rebuilds.
+.040in. Dome Top Pistons with 8.3:1 Compression Ratio. Fits Big Twin 1978-1984 with 1340cc Shovel 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:-

* 8.3:1 Compression Ratio with 117cc Head Chamber Volume.

* Follow Ring End Gap & Piston to Cylinder Clearances as per the supplied Manufac turers 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: KB297.040
REVELRY PART No: KB297.040

Additional information

Weight 1.3 kg
Dimensions 25 × 12 × 12 cm