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Mercruiser Exhaust Manifold Conversion Kit GM V8

5.0L / 5.7L 305/350 GM manifold with risers, bellows, gaskets

  • Conversion kit for Mercruiser GM V8 models
  • Change from older log style to newer style 2 piece center rise style
  • Includes all hardware require for converting, and spacers are also available
  • Manufactured by GLM Marine with a 3 year warranty
  • Increased water cooling area over OEM model

58990 Mercruiser conversion kit V8

58990 Mercruiser conversion kit V8

P/N 58990 Complete conversion kit with 4 inch riser. *Note - not compatible with engines with high mounted power steering pumps.

$1699 US

$2242 CDN

Included
P/N 13222 Thermostat housing kit
P/N 13030 Thermostat / 807052T1
P/N 47180 Water hose
P/N 89120 Upper bellow / 32-44348T x 4
P/N 01100 Hose clamp / 54-815504372 x 16
P/N 50770 Tube x 2
P/N 01057 Small hose clamp x 8
P/N 50011 Solenoid bracket
P/N 22303 Screw x 2
P/N 50012 Fuel filter bracket P/N 21026 Spacer
P/N 22371 Screw / 331999
P/N 74009 Alternator bracket / 93175T
P/N 21695 Spacer for alt. bracket / 23-33186
P/N Screw 22355 / 10-12244 x 3
P/N 51230 Cast iron manifold assembly / 860246Q11 x 2
P/N 51110 / 98504A3 or 51140 / 807988A2 Elbow - riser (3 inch or 4 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 Locknut / 11-46335 x 8

Customers who purchased P/N 58990 also looked at:

Photo

Description / OEM #

Price (USD)

Price (Canadian)

51230 GM 200 228 230 898 260

51230

P/N 51230 V8 manifold assembly with gaskets. For port and starboard 305/350 V8 center rise.

$190.95

$251.95

30240-31100 Exhaust manifold gasket set

30240-31100

P/N 31100-30240-2 Replacement gasket set. 2 exhaust gaskets and 2 riser gaskets.

$21.95

$28.95

12110 - 1970-1982

12110 Water pump

P/N 12110 Sterndrive water pump impeller kit for MC-1, R models 1970-1983, serial numbers 2763442-6854392.

$39.95

$52.95

15201 Circulating engine pump

15201 Circulating pump

P/N 15201 Engine water circulating water pump for Chevy/GM V6 and V8 small block.

850399-1
Compatible with

229 CID-3.8L
262 CID-4.3L
305 CID-5.0L
350 CID-5.7L

$96.95

$127.95

21950 Transom service kit

21950 Transom service kit

P/N 21950 Complete Mercruiser bellows kit click here. Compatible with 1973 - 1990, serial numbers 3469428 - 0D469858 MC-1/R/MR and Alpha One models.

30-803097T1

Includes
P/N 21905 / 30-60792A4 Gimbal Bearing
P/N 39622 / 27-94996T2 Gasket Kit
P/N 47110 / 32-41725-33 Water Hose 3/4”
P/N 47120 / 32-32461 Water Hose 5/8”
P/N 89050 / 60932A4 U-Joint Bellow
P/N 89080 / 74639 Shift Cable Bellow
P/N 89100 / 18654A1 Exhaust Bellow
P/N 85910 / 26-88416 Oil Seal

$145.95

$192.95