Wake Performance : Distributor Gear M-12390-B

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Distributor Gear
Part Number : M-12390-B : Ford Racing

PART NUMBER

MATERIAL

COLOR

DIAMETER

APPLICATION

M-12390-A

Cast Iron

Orange

1.249"

0.467"

289/302 hydraulic flat tappet engines with point-type or Duraspark distributors. (1)

M-12390-B

Steel

None

1.249"

0.467"

302 with steel billet and production roller camshaft with point-type or Duraspark distributors. (1)

M-12390-C

Bronze

Bronze

1.249"

0.467"

All 289/302 engines with point-type or Duraspark distributors. (1)

M-12390-D

Cast Iron

Blue

1.249"

0.531"

All 302 hydraulic flat tappet engines with EFI. All 351W engines. (1)

M-12390-E

Bronze

Bronze with
Blue Stripe

1.249"

0.531"

All 302 hydraulic (flat or roller) tappet engines with EFI.
All 351W engines. (1)

M-12390-F

Steel

Yellow

1.249"

0.531"

All 302/351W hydraulic roller tappet engines with EFI and 351W Duraspark. (1)

M-12390-G

Cast Iron

Green

1.421"

0.531"

All 351C/351M/400/429/460 engines. (1)

M-12390-H

Bronze

Bronze with
Green Stripe

1.421"

0.531"

All 351C/351M/400/429/460 engines. (1)

M-12390-J

Steel

None

1.421"

0.531"

All 351C/351M/400/429/460 engines. (1)

Material Selection Notes:

Cast iron gears are compatible with cast iron camshafts (hydraulic or solid flat tappet type).

Steel gears are compatible with billet steel camshafts (hydraulic roller tappet type).

Bronze gears can be used with either cast iron or billet steel camshafts. They are usually recommended by manufacturers of aftermarket billet steel solid roller tappet camshafts. Since the bronze is softer than cast iron or steel, it will wear at a faster rate.

IMPORTANT INSTALLATION NOTE:
(1) Distributor gears do not have pre-drilled holes.

Price: $40.00

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