Mercruiser 7.4 L 424 Bravo V8 Exhaust Manifold & riser package set elbow 502 8.2

Description

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 (1981 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 EXHAUST**
This manifold kit contains (2) exhaust manifolds, (2) 4" risers (elbows), and FULL manufacturer's 3-year warranty. This manifold set can improve the performance of your stock engine and improve fuel efficiency at the same time. Kit contents are listed below:
(2) 51140 - Exhaust Elbows - OEM #807988A2
(2) 51240 - Exhaust Manifolds - OEM #807078A6
(2) 30240 - Elbow Gaskets - OEM #27-863724
(2) 33760 - Manifold Gaskets - OEM #27-46820
(8) 22381 - Screws - OEM #10-43749
(2) 13990 - Hose Fittings w/drain plug kit
Replacements for 1986 & Up Mercruiser GM 454 7.4L 502 8.2L V8