Description
SIERRA Riser for OMC/Volvo, Center Rise Manifolds / 18-1909-1
This riser is manufactured by Sierra.
- PRODUCT CODE: S18-1909-1
- OMC RISER: 4″ (102mm) outlet 7°
- FITS: Many GM & Ford Center Rise Manifolds
- Use with Manifold: 18-1986-1 & 18-1848
- Use with Mounting Kit: 18-8507 open
- Use with Riser Gasket: 18-0943-2 open
- Suits the following engine models:
- LK 5.7L
- HU 5.7 Gi
- MD 5.7GL/5.7Gi
- NC 5.7GL/5.7Gi
- This riser is interchangeable with or replaces the ff. engine:
- MALLORY 9-40911
- OMC 913784, 3850456, 3855270, 3857944, 3856444
- VOLVO 3863061, 3863061, 3855270-9,
- This riser is applicable with the ff. engine horsepowers:
ENGINE HP YEAR RANGE 5.0/5.7L 1997-98 4.3/4.3 HO 1992-93 5.0/5.0 HO/5.8 Liter 1993 5.0 & 5.8 EFI 1993 5.8L (Ford) 1993 7.4L (GM),8.2L (GM) 1993 5.0/5.0 HO/5.8 Liter 1992 5.8L (Ford),5.0/5.0HO/5.8 Liter 1991 454/454 HO 1991 7.4L (GM) 1991 8.2L (GM) 1990-91 4.3 Liter 1990 5.0/5.7L 1990 Weight 12.1 KG, Length 41 cm, Height 22 cm, Width 16 cm

