Holley Vacuum Secondary Diaphragm 2.054in Rod Length Suits R1849 R3310 R4452 R4548 R6520 R7002 - 135-4

Holley Vacuum Secondary Diaphragm – Part No. 135-4

Keep your Holley carburettor's secondary circuit operating correctly with this genuine replacement vacuum secondary diaphragm. The 135-4 suits a wide range of popular Holley carburettor numbers and is a direct replacement for worn or cracked diaphragms that cause flat spots, poor throttle response, or secondary hesitation.

Key Features

• Direct replacement vacuum secondary diaphragm for Holley carburettors
• Rod length: 2.054 in.
• Suits a wide range of Holley carburettor numbers (see fitment below)
• Restores correct secondary operation and throttle response
• Sold individually (each)

Fitment – Compatible Carburettor Numbers

• R1849, R1850
• R3310
• R4452-1
• R4548
• R6520
• R6619
• R6909-19, R6909-79, R6909-89
• R7002, R7004, R7005, R7006, R7009, R7010, R7053-1
• R7154
• R7351, R7397
• R7855

Specifications

• Rod Length: 2.054 in.
• Part Number: 135-4
• Sold: Each