Gear Drive Big Block Chevy 1965-90 Mark-IV

Vehicle Info Needed

MILODONPART NUMBER: 697-12700

Gear Drive Big Block Chevy 1965-90 Mark-IV

Name: Gear Drive Big Block Chevy 1965-90 Mark-IV
Brand: MILODON
SKU: 697-12700
Price: 1040.95 USD
Availability: InStock

^$1,040⁹⁵

Ships on 09/08/2026

Lowest Price Guarantee

Chevrolet

Big Block Chevy 1965-90 Mark-IV
Injected/Blown Style

Injected/blown style does not use the stock water pump because they use a cam driven hex. Blown engines will require a fuel pump extension.
2.5' Extension with 3/8' hex is #697-12950.
4.5' Extension with 3/8' hex is #697-12955.
5.5' Extension with 3/8' hex is #697-12960.

Part TypeTiming Chain and Gear Set

BrandMILODON

Package Height4.2

Package Width11.1

Package Length12.9

Weight9.73 PG

Part CategoryPerformance Parts

NoisyYes

Gaskets IncludedNo

Thrust Bearing IncludedYes

Offset Bushings IncludedNo

Camshaft Gear Attachment3-bolt

Maximum Advance/Retard At Crankshaft12 degree

QuantitySold as a kit

Maximum Advance/Retard At Camshaft6 degree

Part FitmentSemi Universal

Gear MaterialSteel billet

Gear Drive Idler StyleSingle idler

Vendor Part Number12700

Package Qty1

Package TypeEA

No Questions

No Reviews

Items You Need

JEGS

Black RTV, Temperature Resistant up to 625 Degrees F [3.8 oz. Tube]

Part Number : 555-28035

^$7⁹⁹$8.99

You Save$1.00

JEGS

Blue RTV, Temperature Resistant up to 500 degrees [3 oz. Tube]

Part Number : 555-28030

^$7⁹⁹$8.99

You Save$1.00

JEGS

Pressure Bead Gasket Maker Silicone 8 oz

Part Number : 555-28040

^$20⁹⁹$23.99

You Save$3.00

JEGS

Pressure Bead Gasket Maker Silicone 8 oz

Part Number : 555-28045

^$18⁹⁹$20.99

You Save$2.00

JEGS

Gear Puller 2 or 3 Jaw Adjustable

Part Number : 555-W87123

^$29⁹⁹$32.99

You Save$3.00

JEGS