Mahle MS Piston Set LS7 430cid 4.135in Bore 4.000in Stroke 6.067in Rod .927in Pin -2.5cc 11.8 CR

Mahle MS Piston Set LS7 430cid 4.135in Bore 4.000in Stroke 6.067in Rod .927in Pin -2.5cc 11.8 CR

Marsoni

M251S

$380.00

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

Mahle MS Piston Set LS7 430cid 4.135in Bore 4.000in Stroke 6.067in Rod .927in Pin -2.5cc 11.8 CRLS 7. 0L FLAT TOP compatable with LS7 style heads 430cid 4. 135 x 1. 181CH, 4. 000stroke,6. 067rod,0. 927pin, 2. 5cc,452g,11. 8CR, 4032.

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Your Mahle MS Piston Set LS7 430cid 4.135in Bore 4.000in Stroke 6.067in Rod .927in Pin -2.5cc 11.8 CR orders ship within 1-2 business days.

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The Good: Changing the fluid in the lower unit is a very easy DIY job. This can save you hundreds of dollars each year by doing it yourself. The Bad: You need a special pump to change the oil, and sometimes it comes with the gear lube. Unfortunately this product did not come with it. Luckily my neighbor had an extra one from changing the lube a different boat laying around and was able to use that. The Ugly: If you have to go get the pump, that could cost a few extra dollar but is just an extra nuisance. The pumps are interchangable but you just need to clean it between uses (DON'T MIX DIFFERENT OIL BRANDS)

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Reviewed in the United States on October 28, 2025

Verified Purchase

Joe H.

Port Orchard, US

★★★★★ 5

Works fine in outdrive

Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube

Good gear oil. Purple dye for leak detection

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Reviewed in the United States on April 2, 2026

Verified Purchase