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#9300300
Tru-Ram® Small Block Chevy Exhaust Manifolds, Cast Iron
- Classic rams horn style exhaust manifold designed for great classic looks with better flow than stock manifolds
- Features Corvette style 2-1/2-inch outlet for added flow and performance
- Fits most Gen 1 small block Chevy heads with straight or angle plug design
$304.99
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$338.00
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Product Summary
Universal Fit, Cast Iron, Raw, Natural
- Classic rams horn style exhaust manifold designed for great classic looks with better flow than stock manifolds
- Features Corvette style 2-1/2-inch outlet for added flow and performance
- Fits most Gen 1 small block Chevy heads with straight or angle plug design
- Cast iron efficiency with the fitment of block-hugger style tube headers
- Includes manifold flange gaskets and mounting hardware for an easy installation
Key Specs
MFG. Part # | 9300300 |
Brand | Tru-Ram Manifolds |
Material Type | Cast Iron |
Finish | Raw |
Collector Diameter | 2-1/2 Inch |
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Tru-Ram Manifolds 9300300 Details
- Smooth exterior finish with no exposed brackets or bolt holes for a clean appearance
- Fits most factory Gen 1 SBC heads including Vortec heads
- Ample clearance for both straight and angled spark plug applications
- 1-3/8-inch by 1-3/8-inch square port design can be port matched to your heads
- Increased flow over stock manifolds and utilizes Corvette-style 2-1/2-inch 3-bolt collector
- Nodular iron construction retains heat for efficiency and quieter than tubular headers
- Design tucks collector close to block like a “block hugger” header
- Includes fasteners and exhaust flange gaskets for an easy installation
- Raw surface finish can be painted or ceramic coated
Low Profile Exhaust Manifolds That Provide Great Clearance with A Classic Appearance
If you’ve spent any time at all installing tubular steel headers on a car you know what a pain in the backside they are. They often hang too low, hit your steering box, or must pass through your steering or clutch linkage, and don’t even get us started on blown out header gaskets and must constantly check and tighten header bolts. Are tubular headers worth the hassle? Many will say yes, and we will agree if the power level warrants it, or it is a custom set made for the exact chassis and engine combination (which often costs big money!). For most of us however, a good “block hugger” header will suffice. These header designs are known for being easier to install and have few drawbacks (except those often leaking header gaskets).
But even the block hugger header can look out of place in some builds, especially those early pre-war cars with open engine bays. You can give your small block Chevy the best of both worlds by using our smooth looking cast iron Tru-Ram® rams horn exhaust manifolds. These clean sheet design ram horn manifolds provide the same “block hugging” design while offering a period exhaust manifold look that fits right in. Not to mention the cast iron design has many benefits over the tubular steel header. Add in our high flow design with large 2-1/2-inch Corvette-style exhaust collector and it is easy to see how our Tru-Ram® rams horn exhaust manifolds are hard to beat for the price, clearance, and great fit.
Fits Most Straight and Angle Plug Gen 1 Small Block Chevy Cylinder Heads
The factory cast iron SBC exhaust manifold will often have extra mounting holes/ears cast into it, either causing fitment issues or just plain ugly looking. Stock manifolds also are cast for specific chassis and engine combinations, again potentially causing fitment issues. Our Tru-Ram® rams horn exhaust manifolds are designed from the start to fit most factory head castings, be they straight plug or angled plug, while providing greater flow and power production than the typical stock SBC exhaust manifold. With plenty of material around the 1-3/8-inch square exhaust flange port you can easily port match these to your heads for greater exhaust flow. The larger 2-1/2-inch Corvette style 3-bolt collector works with standard 3-bolt collector gaskets included in our 2-1/2-inch 3-bolt flanges, or 2-1/2-inch to 2-inch 3-bolt reducers.
This complete kit includes a pair of Tru-Ram® ramhorn manifolds, black oxide socket head cap screw mounting hardware for the manifold and black oxide studs with brass nuts for the collector, and exhaust flange gaskets. Everything you need to easily install your ram horn manifolds without the stress and frustration of trying to fit tubular headers. Plus, there’s no denying these Tru-Ram® ramhorn manifolds look so right on SBC powered hot rods and classic trucks. Choose from the raw finished cast iron manifolds offered here, or we also offer our stainless steel Tru-Ram® rams horn manifolds in unpolished and polished versions as well.
Guides & Documents
CARB Warning
For race/ off road use or for use on pre-1966 vehicles.
CARB Warning
For race/ off road use or for use on pre-1966 vehicles.
Tru-Ram Manifolds 9300300 Specifications
Tru-Ram Manifolds 9300300 Specifications
KEY SPECS | |
---|---|
MFG. Part # | 9300300 |
Brand | Tru-Ram Manifolds |
Material Type | Cast Iron |
Finish | Raw |
Collector Diameter | 2-1/2 Inch |
GENERAL | |
Color | Natural |
Flange Style | Square Port |
Gasket(s) Included | Yes |
Header Dimension A | 3.50" |
Header Dimension B | 9.00" |
Header Dimension C | 19.25" |
Inlet Size | 1-3/8-inch square port |
Hardware Included | Yes |
Sold in Quantity | Pair |
Notes | Will not work with GM D-shape "fast burn" heads |