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For Your Every Summer RSVP, with Code: SUMMER15
Description
Diamond Racing LS 4.125" Pistons Set | 3.622" Stroke -2cc 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 Flat Top Pistons;
- 3D milling on piston crowns & ready to install finish;
- Premium 8620 .180w 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: .176" intake & .105" exhaust;
Diamond Racing Pistons Specs
Bore 4.125"
Stroke 3.622"
Conrod Length 6.125"
Compression Height 1.115"
Wrist Pin .927" x 2.500"
Top Ring Down .210" - .250"
Piston Material 2618 Alloy
Piston Style Dish
Volume -15.0cc
Ring Stack 1.2mm x 1.2mm x 3.0mm
Want To Chat To Us About Your New Pistons Set?
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(03)8595 4343
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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:
- 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
4.3 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
Good feal
Size: HRV (2016-22) 1.8L Gas
Just get these.Easy to install and will save you stupid labor costs.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026
★★★★★ 5
Honda wanted $150+ to replace these...
Size: HRV (2023-26) 2.0L Gas
These are exact fits for my honda 2025 Honda H-RV. It was super easy to install and took me less than 5 minutes to replace my old ones and put these in. Car smells clean and no debris in the intake! Seems to be good quality (been 1 week so far)
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Reviewed in the United States on January 8, 2026
★★★★★ 5
Cabin and air filter installed.
Size: HRV (2016-22) 1.8L Gas
Part fit perfect and easy to install myself. Great value and saved a lot of money installing it myself. It took five minutes.
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Reviewed in the United States on January 26, 2026
★★★★★ 5
Just do it!
Size: HRV (2016-22) 1.8L Gas
Good quality. so easy to install. First time I ever changed the air and cabin filters myself. I am 73 years old and a woman. Yes! and I did it easily and quickly. So glad I decided to try to do it myself Saved a ton of service fees at the dealer.
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Reviewed in the United States on May 11, 2026
★★★★★ 5
Suitable, less expensive option.
Size: HRV (2016-22) 1.8L Gas
Perfect fit for half the price of OEM. They're filters. They get replaced regularly.
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Reviewed in the United States on January 7, 2026