Firman 439CC 7125 7250 8000 10000 Watt Gas Engine Generator Piston Ring Set

(A smaller ring set for a 90MM piston was also used on the Firman 439CC 1st generation gas engines. 2) 5700/7100/7250 Watt Dual/Hybrid Fuel Generator Models H05751, H05752 & H05753;. 3) 6750/7500/8450/9400 Watt Dual/Hybrid Fuel Generator Models H07552 & H07553;.

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