Description
HOOKER SMALL BLOCK CHEVROLET EXHAUST MANIFOLDSSmall Block Chevy Universal Exhaust Manifolds, Raised D-Port, 2.5″ collector, Silver Ceramic Finish
Part # 8527-1HKROVERVIEWHooker’s new cast iron small-block Chevy exhaust manifolds offer an increase in performance and visual appearance over stock-style manifolds. Their compact design fit into a wide variety of replacement and engine swap applications. This means you get the traditional look and easy fitment of a stock style exhaust manifold but now with a smoother, cleaner appearance, plus more modern features. These manifolds are cast out of high silicon-molybdenum ductile iron for high temperature strength and better resistance to oxidation and cracking. Internally these manifolds have a larger than stock 1 5/8-inch cross-sectional area and 2 1/2-inch outlets for better air flow and improved performance. Designed for raised D-port heads, these manifolds fit many popular GM applications including standard straight and Vortec straight plug head designs. Finishes include natural, silver, black, and titanium ceramic. Gaskets and hardware are included, along with weld-on flanges to aid in downpipe installation.
Features:
- A smoother, cleaner appearance compared to original exhaust manifolds, while maintaining a factory style look and feel
- Made from high silicon-molybdenum ductile iron for high temperature strength plus resistance to oxidation and cracking
- Designed with a larger 1 5/8” cross-sectional area and 2 ½” outlets for better air flow and increased performance
- Designed for raised D-port heads
- Accommodates standard straight and Vortec straight plug head designs for better application coverage
- Includes weld-on flanges for easier downpipe pipe installation (custom downpipe required)
- Available in natural cast iron or ceramic coated finishes (silver, black and titanium)
- Includes mounting hardware and gaskets for inlet and outlet flanges
About Hooker
Since the golden era of drag racing in the 1960s, Hooker has helped more racers reach the Winner’s Circle than any other header company. From the stoplight to the race track, Hooker exhaust technology will make your car or truck perform and sound better.
SPECS
| Bolt Size | 3/8-16 x 3/4 |
|---|---|
| Brand | Hooker |
| CARB (California) Compliant | No |
| Collector Diameter | 2.50 inch |
| Emission Code | 3 |
| Engine | Chevrolet Small Block Gen I |
| Exhaust Port Shape | D-Port |
| Header Finish | Silver Ceramic |
| Header Style | Manifold |
| Material | Cast Iron |
| Primary Tube Diameter (in) | 1-5/8 inch |
| Product Type | Manifold |
| UPC | 090127100738 |
| California Proposition 65 Chemical Name | Nickel (Metallic) |
| California Proposition 65 Required | Yes |
| Part Number | 8527-1HKR |
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