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ZZP 2.0 4340 Connecting Rods

SKU: ZZ-4340RDS-20

$449.99 Sale price

Regular price $449.99

All of our rods are magnafluxed, heat treated, stress relieved, shot peened, and sonic tested to ensure they provide the strength required for high horsepower applications. Our exclusive “no twist” machining processes guarantee the most accurate pin end to big end parallelism in the industry. We weight match all of our sets of rods to + or -1.5 grams to make balancing easier. Silicon bronze bushings are installed for use with floating pins. Bolt lube and torque specifications are included. ZZPerformance rods are also equipped with ARP 2000 bolts and are rated for 800 horsepower.

The LSJ version of this rod was tested in Ryan's 2006 Cobalt to 898WHP w/o failure!

Torque spec is 55 ft-lbs with ARP lube.

From the factory, tangs are installed facing exhaust side so we do the same. The rods are symmetrical it does not matter which side they face.

Fits the 2.0L LSJ & LNF.

Won't work with the stock pistons, must use forged pistons.

Ecotec rod weights:
Stock LSJ rod is 640 grams
Stock LDK rod is 580 grams
ZZP 4340 2.0 and 2.4L rod is 620 grams

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Ecotec

All of our rods are magnafluxed, heat treated, stress relieved, shot peened, and sonic tested to ensure they provide the strength required for high horsepower applications. Our exclusive “no twist” machining processes guarantee the most accurate pin end to big end parallelism in the industry. We weight match all of our sets of rods to + or -1.5 grams to make balancing easier. Silicon bronze bushings are installed for use with floating pins. Bolt lube and torque specifications are included. ZZPerformance rods are also equipped with ARP 2000 bolts and are rated for 800 horsepower.

The LSJ version of this rod was tested in Ryan's 2006 Cobalt to 898WHP w/o failure!

Torque spec is 55 ft-lbs with ARP lube.

From the factory, tangs are installed facing exhaust side so we do the same. The rods are symmetrical it does not matter which side they face.

Fits the 2.0L LSJ & LNF.

Won't work with the stock pistons, must use forged pistons.

Ecotec rod weights:
Stock LSJ rod is 640 grams
Stock LDK rod is 580 grams
ZZP 4340 2.0 and 2.4L rod is 620 grams

Customer Reviews

4.8 Based on 8 Reviews
5 ★
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JR
01/22/2019
Jose r.

Best rods for your LSJ

The best rods i ever bought, easy install on my 2.1L build. It was a easy process with my 88mm JE pistons! Will recommend

JR
12/17/2018
Jeffrey R.

great

great

GF
11/03/2018
George F.

I will never buy anything

I will never buy anything from this company ever again! The worst customer service I have ever experienced.

LM
12/12/2017
Levi M.

4340 connecting rods

They are not installed yet, but I went with these because I’ve only heard good things about these!

GG
10/24/2017
Guest G.

4340 rods!

typo my bad

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