🚤 Elevate Your Marine Experience!
The Mercruiser 330 340 MIE Chevy Marine 454 7.4 7.4L GLM Exhaust Manifolds with 4" Risers are engineered for high-performance marine applications. Weighing 135 pounds and designed for specific Mercruiser models, these manifolds ensure optimal exhaust flow and durability in demanding conditions. With precise fitment for GM 454/502 CID engines, they are the perfect upgrade for any serious boater.
| Manufacturer | GLM |
| Brand | GLM MARINE |
| Item Weight | 135 pounds |
| Product Dimensions | 20 x 14 x 20 inches |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | GL-58242 |
| OEM Part Number | #27-46820, #10-43749,, #807078A6, #807988A2, #27-863724,, 807078T08, 807988a2 |
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