Mercruiser V8 manifold 3" riser kit GM 1985-2002

200, 228, 230, 898, 260 models. GM Chevy manifold, riser kit for
V8 305 - 350 engines

Last updated on 11/7/2023

Center rise exhaust manifold and elbow. Not compatible with ‘log style’.
Kit includes studs, and mounting gaskets GLM # 31100 and #30270.
3 inch outlet length at 15 degrees uses bellow P/N 89070
For 200, 228, 230, 898 and 260 models with 305/350 small blocks
Mercruiser exploded view outdrive drawing click here
3 year warranty from GLM Marine

Mercruiser V8 manifold 3" riser kit GM 1985-2002

51230-51110 Mercruiser kit OEM 860246A10-98504A3

P/N 51230-51110 Exhaust assembly kit – Replaces 860246A10 and 98504A3

$333.95 US

$ 363.89 CDN

Includes
P/N 51230 Manifold / 860246A10
P/N 22391 Steel studs / 16-49545 x 4
P/N 30240 Riser gasket / 27-863724
P/N 31100 Mounting gasket / 27-33395
P/N 21891 Plug 3/4-14 (Steel) / 22-41622
P/N 51110 Riser / elbow assembly / 98504A3
P/N 13990 Drain plug with o-ring / 22-806926A1

Customers who purchased P/N 51230-51110 also looked at:

Photo

Description / OEM #

Price (USD)

Price (Canadian)

15201 Chevy V6-V8 Engine water pump

P/N 15201
5.0 liter 305, 5.7 liter 350 small block motor water pump that fits both metal composite timing chain cover.
850399-1
Features include
Machined Brass Impeller
Bi-Directional & Balanced
Stainless Steel
Seal Cup & Spring
Stainless Steel Backing Plate

$96.95

$127.89

58231

P/N 58231
Complete V8 port and starboard kit including gaskets, screws and drain plugs.
5.0L 305 and 5.7L 350 GM/Chevy motors, center rise style.

Includes
P/N 51230 Assembly / 860246Q11 x 2
P/N 51110 Elbow (3 inch) x 2
P/N 31100 Gasket / 27-33395 x 2
P/N 30240 Gasket / 27-863724 x 2
P/N 13991 90 degree hose fitting / 22-806926 x 2 P
/N 13992 Drain plug / 22-806608A02 x 2
P/N 80140 O-ring for plug / 25-45253 x 2
P/N 22391 Stud / 16-49545 x 8
P/N 21248 Flange nut / 11-46335 x 8

$598.95

$ 1,438.89

89070 Upper bellow

P/N 89070
Upper bellow. 3 inch center mounted riser to 4 inch elbow, or 3 inch to 4 inch y-pipe.

OEM 70981A3

$32.95

$ 46.89

51230 GM V8 350-305

P/N 51230
V8 exhaust assembly with gasket. 860246A10. Used on either port and starboard side.

OEM 860246Q11

$190.95

$ 363.89

30240

P/N 30240
Center mount gasket for elbow P/N 51110 and 51140.
OEM 27-860233

$4.95

$ 7.89

30240-31100 Gasket set

P/N 30240-31100 Installation gasket set. P/N 30240 x 2 and 31100 x 2 included.