Piston Set TwinSpark 2.0 85mm Dish Dome Low Friction Asymmetrical Skirt Design

Piston Set TwinSpark 2.0 85mm Dish Dome Low Friction Asymmetrical Skirt Design

$925.00

SKU: JE85TS Category: Tag:

Piston Set TwinSpark 2.0 85mm Dish Dome Low Friction Asymmetrical Skirt Design

$925.00

SKU: JE85TS Category: Tag:

CARRILLO ROD SET of your choice, $50.00 off, if included with THIS order.

NEW SQUISH/DISH DOME MAKES MORE POWER

Dished dome makes more power. Flame front travel distance is minimized when compressed charge concentrated directly under spark plugs combustion efficiency is improved.
Tall shoulders of dome “squash” the mixture at TDC creating a hurricane to distribute the flames.

NEW! ASYMMETRICAL DESIGN. This slipper skirt piston type design features:

The intake skirt is 20% narrower than a full skirt, rod angularity creates greater pressure on the intake side load before TDC.
The compression decay after TDC reduces the exhaust loading allowing a 40% reduction on the exhaust skirts.
COMPRESSION:

(Specify in “Customer Comment” Box when ordering online.)

10.5:1 IN STOCK/Runs Great on 91-93 octane fuel)
11.0:1 IN STOCK
11.5:1 IN STOCK

Standard Features:

Compression is measured with standard head of 135mm height and 1.6mm Reinze gasket. WARNING: Milling drastically increases compression. Also, be aware that valve shape/size and seat height can make a difference. For absolute accuracy, customer should submit head chamber volume.
3mm deeper valve reliefs accommodate most performance cams intake and exhaust
Larger diameter intake valve reliefs will accommodate oversize 47mm intake and 41mm exhaust valves.
Standard 38mm exhaust valves are the best combination for power
This piston set includes standard wrist pins (109 grams), and conventional Ring Set.

CUSTOMER TESTIMONIAL

“Your new TS dished TS pistons worked an absolute treat and our customer is absolutely over the moon with the performance of the engine. Having changed nothing other than the pistons and compression ratio, the car has jumped up two classes and is now a seriously quick Alfa. It performed faultlessly. We love them! Well done guys!!! A fantastic set of pistons.”

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