Mercruiser 330 340 MIE Chevy Marine 454 7.4 7.4L GLM Exhaust Manifolds

Overview

Raw/fresh water cooling systems without spacers P/N (2) 51240 (GL51240)+(2) 51140 (GL51140) Equivalent to the contents in GLM part number 58242 (GL58242) Fits 1987-up Signature confirmation required upon delivery

This listing is for two (2) exhaust manifolds and two (2) 4 7° risers (elbows) for Mercruiser MODEL 330-370, V8 (B.B.), GM 454/502 CID (1987 up to 0M SN#s) with raw/fresh water cooling systems without spacers. P/N (2) 51240 (GL51240)+(2) 51140 (GL51140); equivalent to the contents in GLM part number 58242 (GL58242). NOT FOR DRY JOINT MANIFOLDS THE 4 RISERS FIT 1987-up. Note:Ordering this item will require a signature confirmation upon delivery. Please ship to an address where a signature can be obtained from UPS.

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