SBC Street Stock Crate Headers 1-3/4in

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$235.36
MSRP: $245.99
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Info

SKU:SCH186CM

SKU: SCH186CM

MPN: 186CM

Info

SKU:
SCH186CM
MPN:
186CM

Description

The SBC Street Stock Crate Headers 1-3/4in are purpose-built exhaust headers designed for small-block Chevrolet engines running street stock or bracket racing configurations. These headers deliver a critical upgrade for enthusiasts seeking improved scavenging efficiency and responsive power delivery without compromising streetability. Built to complement factory or mildly modified SBC platforms, they represent an essential first step in exhaust system optimization for anyone looking to unlock latent horsepower and torque while maintaining a manageable powerband.

Constructed with a 1-3/4-inch primary tube diameter, these headers are engineered to balance low- to mid-range scavenging with streetable RPM ranges typical of naturally aspirated small-block applications. The tube sizing minimizes backpressure while maximizing exhaust velocity, allowing combustion gases to exit the cylinder head efficiently without sacrificing the spool characteristics needed for responsive throttle feel. This design philosophy ensures measurable performance gains across the usable powerband rather than peak-rpm silliness.

Street stock racers and street-driven SBC builders will find these headers ideal for vehicles running carbureted or fuel-injected small-blocks. The headers integrate seamlessly into stock engine bay dimensions while providing the diameter and routing geometry necessary for proper collector merge and downstream component compatibility. This makes them a versatile choice for enhancing performance in various applications.

SpecificationDetail
MPN / Part Number
186CM
SKU
SCH186CM
Dimensions
20.5 x 10 x 33.75 in
Weight
28 lbs
Primary Tube Diameter
1-3/4 inches
Engine Type
Small-Block Chevrolet (SBC)
Application Class
Street Stock / Bracket Racing
Intended Use
Street and Strip Performance
Scavenging Range
Low to Mid RPM Optimized
Fuel System Compatibility
Carbureted or Fuel Injected

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