These forged pistons are specifically designed for the GM LF3/LF4 engine. Diamond pistons feature 2618 alloy forging for maximum durability in boosted engines. The stock LF4 bore is 94mm; these Diamond's are available in 94.25mm and 94.50mm sizes. Both sizes are oversized over stock as we recommend getting your block machined for a perfectly round bore, especially after an engine failure. We recommend consulting your machine shop on what size is needed for your specific block.
Includes total seal rings, wrist pins, and circlips.
Stock LF4 piston: 435 grams
Diamond 94.50mm piston: 390 grams
Sold as a set of 6, enough to service 1 engine.
Fits: 2016-2019 Cadillac ATS-V, 2014-2019 Cadillac CTS V-Sport, 2014-2019 Cadillac XTS V-Sport, and 2022-2024 Cadillac CT4 V-Blackwing.
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