Manley Small Block Chevrolet LS Series 4.075in Bore -18cc Dish 3.662in Stroke Platinum

Manley Small Block Chevrolet LS Series 4.075in Bore -18cc Dish 3.662in Stroke Platinum

Marsoni

M251S

$458.74

Get it in 3 business days with 1 day shipping. Friday, May 29

Manley Small Block Chevrolet LS Series 4.075in Bore -18cc Dish 3.662in Stroke PlatinumOur signature "Platinum Series" pistons feature 2618 alloy forgings, proven cam and barrel skirt profiles, tool steel wrist pins, and moly skirt coatings on select part numbers. Join the ranks of professional engine builders and tuners who rely on Manley pistons for superior performance and durability.

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Set screws are poor quality and are sometimes powdercoated on the exposed threads. Leads to striped hex sockets and inability to tighten properly. Durable finish as evidenced by no visible damage after throwing parts across the shop in frustration. Ended up running self tapping screws thru parts to complete assembly.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on February 26, 2024

Verified Purchase

Carl L. Bradley

Belleville, US

★★★★★ 1

Kinda flimsy…

Thought the assembly was metal, it’s some kind of PVC.

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Reviewed in the United States on September 22, 2025

Verified Purchase

Carlos C.