SKU: 50971088736

Diamond Racing LS2k 4.125" Pistons Set | 4.00" Stroke -3cc Flat Top

Sale price$641.25 Regular price$712.50
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Ships within 48 hours · Estimated delivery Jul 17 - Jul 22

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Description

Diamond Racing LS2k 4.125" Pistons Set | 4.00" Stroke -3cc Flat TopLSX Performance Parts proudly offer the very best in piston development & innovation Diamond Racing Pistons. Founded in 1968 by a group of racers named Jim "Diamond" Cavallaro, Nick Plantas & Butch Eldkins, The guys combined their resources & industry knowledge to create the perfect pistons set. It did not take long for the game changing brand to take off In the 1970's Diamond was the go to brand for Super Stock & Pro Stock racing. As a team, Diamond

LSX Performance Parts proudly offer the very best in piston development & innovation - Diamond Racing Pistons.
Founded in 1968 by a group of racers named Jim "Diamond" Cavallaro, Nick Plantas & Butch Eldkins, The guys combined their resources & industry knowledge to create the perfect pistons set.
It did not take long for the game changing brand to take off - In the 1970's Diamond was the go to brand for Super Stock & Pro Stock racing. As a team, Diamond was not focused on just supplying the very best pistons. They also did cylinder head porting, Engine building & race engine preparations. Diamond became contracted to NASCAR to builds all the engines for the IROC cars.
Just a few years later, Diamond is far ahead of their time with the most innovative & succesful pistons on the market.
Diamond is the biggest supplier of NASCAR, NHRA, Pro Stock, Drag Racing, Circle Track & Diesel markets.

Your New Diamond Racing Pistons Kit Includes
- 1 x Set of 8 Street/Strip 4.125" Diamond Racing Dish Pistons;
- 3D milling on piston crowns & ready to install finish;
- Inboard forging design with fully machined under crown for maximum strength;
- 1 x Set of Diamond premium piston rings;
- Premium H-13 .250w wrist pins & roundwire locks included;
- Moly skirt coating for friction loss & skirt wear protection;
- Valve pockets designed to work with most aftermarket cylinder heads;
- Valve pocket depth: .200" intake & .145" exhaust;
- 2618 material for high horsepower applications rated to 2,000 HP;

Diamond Racing Pistons Specs

Bore 4.125"
Stroke 4.00"
Conrod Length 6.125"
Compression Height 1.115"
Wrist Pin .927" x 2.500"
Top Ring Down .280" - .250"
Piston Material 2618 Alloy
Piston Style Flat Top
Volume -3.0cc
Ring Stack 1.5mm x 1.5mm x 3.0mm

Want To Chat To Us About Your New Pistons Set?
Sure! Give Us a Call on
(03)8595 4343
OR Simply click
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& schedule a time that best suits you. We will have one of our sales consultants contact you at your convenience.
Alternatively, We are available for Live Chat right now!

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Shop with confidence with free freight Australia wide & discounted pricing.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 50971088736

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Love COOFANDY products. The blue is a very nice color. The quality of the sweatsuit is amazingly soft and of excellent quality.I took a size small, I weigh 155 and 5'11.5 and fits me beautifully.
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M. Hall
Natrona Heights, US
★★★★★ 5
Well made and comfortable
Color: Dark Grey, Size: XX-Large
Well made and stylish! My husband has the off white(his favorite) and now the gray, He's 6'5" and they both fit comfortably.
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Reviewed in the United States on January 13, 2026
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Vincent Cuffaro
Massapequa, US
★★★★★ 4
Looking good
Color: Khaki, Size: XX-Large
I'm very happy with this purchase. I love the color, the look, and texture. they feel durable and comfortable. Waiting for a price drop to get another pair in a different club
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Reviewed in the United States on March 29, 2026
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S. Verissimo
Los Angeles, US
★★★★★ 5
Comfortable
Got this for a gift and they loved it. Fit well and true to size. Comfortable.
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Janie Walker
Massapequa, US
★★★★★ 5
Beautiful fit and quality fabric
Color: Navy Blue, Size: XX-Large
Beautiful fit and quality fabric. True to size. Love it. Will order more
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Reviewed in the United States on March 10, 2026

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