Traum J Series Pistons

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On sale: ~~$999.99~~ $979.99

Part Number: 90

Availability: In Stock.

Piston Dome Style *

Bore Size *

Quantity

Traum Forged Piston set for J series Engines. Includes Pistons, Rings, Wrist Pins, & Clips.

89mm is the standard size piston for all J32 & J35 blocks.

Here is the estimated compression ratio based on matching Crankshaft & Rods.

Dish Top

J32 Crank & Rods = 9.2

J35 Crank & Rods = 9.85

J37 Crank & Rods = 10.15

Flat Top

J32 Crank & Rods = 9.9

J35 Crank & Rods = 10.6

J37 Crank & Rods = 10.9

Dome Top

J32 Crank & Rods = 10.8

J35 Crank & Rods = 11.75

J37 Crank & Rods = 12.1

Tall Dome Top

J32 Crank & Rods = 11.5

J35 Crank & Rods = 12.4

J37 Crank & Rods = 12.75