Offenhauser 6133 Stage II Flow Control Insert
$75.00The Offenhauser 6133 Stage II Flow Control Insert works with the Offenhauser Dial-a-Flow Manifold series.
For Cleveland application order 6133-C
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The Offenhauser 6133 Stage II Flow Control Insert works with the Offenhauser Dial-a-Flow Manifold series.
For Cleveland application order 6133-C

Flow Control Insert fits any of the Dial-A-Flow manifolds except for Cleveland applications. Offy Part# 6135


The following Dual Port and “C” Series manifolds will not work on the Datsun applications where the stock manifold has a provision for exhaust heat.
6138-DP – Datsun OHC Manifold 1600cc 1975-77 (Stock 2 STG Carb)
6138-DPH – Datsun OHC Manifold 1600cc 1975-77 (Holley 5200)
6138-DPW – Datsun OHC Manifold 1600cc 1975-77 (Weber 32/36)

The following Dual Port and “C” Series manifolds will not work on the Datsun applications where the stock manifold has a provision for exhaust heat.
Offenhauser 2000cc DATSUN OHC Dual Port 2 BBL Manifold

Ford 351 Windsor (six bolt holes per side) – fits 1975 and later engines and custom performance builds.
Includes Fuel Rails and finned aluminum Rail Holders.
Overall manifold height 5-3/4″
Recommended thermostat housing: Dorman OE Solutions Engine Coolant Thermostat Housing Part # DL902-1001

Offenhauser 6151 Special Gasket for use between adapter plate and manifold top.

5″ High Rise Polished Aluminum Filtered Breather. Filtered, Two piece, 30 Degree angle, Vertical Breather. Great for engines with higher compression. Contains same quality parts as 5408, 5409, & 5410

Offenhauser 6162 Chevy 396-454 (Oval Port) Tunnel Ram Single Quad Top Chevy Big Block Tunnel Ram Top.


The Offenhauser 6176 1″ Holley Carb Spacer. Fits Holley 5200 bolt pattern to “C” Series 2 bbl.

Offenhauser 6177 Universal Linkage Kit for installing 5200 series Holley on mini-car Dual Ports.
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