Availability
Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 7/8 in. Primaries, 3.5 in. Collector, 18 Degree Flange, Automatic, Chevy, Pair
Part Number: SCH-187-18
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 7/8 in. Primaries, 3.5 in. Collector, Stahl Flange, Automatic, Chevy, Pair
Part Number: SCH-187S
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Headers, Shorty, Steel, Natural, 2.5 in. Collector, Oval Port, Chevy, Pontiac, Small Block, Pair
Part Number: SNH-CC5-P
Not Yet Reviewed
Estimated Ship Date: Dec 11, 2025 if ordered today
Estimated Ship Date: Dec 11, 2025 if ordered today
Headers, Shorty, Steel, Natural, 1 5/8 in. Primary, 2 1/2 in. Collector, Chevy, Pontiac, Pair
Part Number: SNH-CC16P
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Headers, Street, Mid-Length, Steel, Silver Ceramic Coated, Chevy, Pontiac, 5.0L, 5.7L, Pair
Part Number: HED-68476
Estimated Ship Date: Dec 11, 2025 if ordered today
Estimated Ship Date: Dec 11, 2025 if ordered today
Exhaust Manifold, Cast Iron, Natural, Each
Part Number: RNB-674-543
Not Yet Reviewed
Estimated Ship Date: Dec 5, 2025 if ordered today
Estimated Ship Date: Dec 5, 2025 if ordered today
Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 5/8 in. Primaries, 3 in. Collector, Chevy, Pair
Part Number: SCH-165A
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 5/8 in. Primaries, 3 in. Collector, 604 Crate Engine, Chevy, Pair
Part Number: SCH-165ACM
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 5/8 in. Primaries, 3 in. Collector, 604 Crate Engine, Automatic, Chevy, Pair
Part Number: SCH-185CM
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 5/8 in. Primaries, 3.5 in. Collector, 602 Crate Engine, Chevy, Pair
Part Number: SCH-165ACM2
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 5/8 in. Primaries, 3 in. Collector, 604 Crate Engine, Chevy, Pair
Part Number: SCH-165CM
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 3/4 in. Primaries, 3.5 in. Collector, Chevy, Pair
Part Number: SCH-166A
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 3/4 in. Primaries, 3.5 in. Collector, 604 Crate Engine, Chevy, Pair
Part Number: SCH-166ACM
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 3/4 in. Primaries, 3 in. Collector, 604 Crate Engine, Chevy, Pair
Part Number: SCH-166ACM-3
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 3/4 in. Primaries, 3 in. Collector, Chevy, Pair
Part Number: SCH-166CM-3
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 7/8 in. Primaries, 3.5 in. Collector, 18 Degree Flange, Chevy, Pair
Part Number: SCH-167A18
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 7/8 in. Primaries, 3.5 in. Collector, 18 Degree Flange, Chevy, Pair
Part Number: SCH-167AB18
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 7/8 in. Primaries, 3.5 in. Collector, Spread Port, Chevy, Pair
Part Number: SCH-167ASP
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 3/4 - 1 7/8 in. Primaries, 3.5 in. Collector, 604 Crate Engine, Chevy, Pair
Part Number: SCH-166VACM
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 3/4 - 1 7/8 in. Primaries, 3.5 in. Collector, Automatic, Chevy, Pair
Part Number: SCH-186V
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 3/4 - 1 7/8 in. Primaries, 3 in. Collector, Automatic, Chevy, Pair
Part Number: SCH-186V-3
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 3/4 - 1 7/8 in. Primaries, 3.5 in. Collector, 604 Crate Engine, Automatic, Chevy, Pair
Part Number: SCH-186VCM
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 3/4 - 1 7/8 in. Primaries, 3.5 in. Collector, Manual, Chevy, Pair
Part Number: SCH-186VM
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 7/8 in. Primaries, 3.5 in. Collector, Manual, Chevy, Pair
Part Number: SCH-187M18
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 3/4 - 1 7/8 in. Primaries, 3.5 in. Collector, 18 Degree Flange, Automatic, Chevy, Pair
Part Number: SCH-186V18
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
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