When I did my apprenticeship over 13 years ago in a high performance machine shop, the only pistons we would install in engines producing over 3,000 HP; yes that's right, over three thousand horsepower. There was one brand we would use: Diamond. Diamond Pistons have a reputation and quality like no other, Now I'm proud to offer these pistons for your builds. I personally run Diamond Pistons on all my race set ups and they have lasted over 10 plus years of constant torment from high boost. While other pistons are known to crack under extreme stress, Diamond Pistons are solid like, well a Diamond. What ever type of build you're planning we can create a custom piston that matches your cylinder head's chamber profile, compression requirements, and weight.

The pistons shown are for a E31 cylinder head with 11:1 compression ratio.

The price is for the complete kit with wrist pins and rings

Pistons have coated skirts to improve performance.

We can also ceramic coat the crowns for boosted or Nitrous setups wishing to go above 800hp.

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