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Sierra
Sierra Chrysler Exhaust Manifold Riser - 18-1946
Item: #1780835 | Part Number: 18-1946$172.67
Description
The Sierra Chrysler Exhaust Manifold Riser 18-1946 is designed to improve exhaust flow and clearance on Chrysler marine engines. Built for Model 273, 318, 340, and 360 CID V8s, it features a 3" outlet with a 20° down angle to help reduce backpressure and enhance performance. A direct replacement for common riser part numbers, it ensures reliable operation and easy installation.
Sierra Chrysler Exhaust Manifold Riser - 18-1946 Item # 1780835
Description
Features:
- Fits: Chrysler Model 273, 318, 340 & 360 CID engines (1966-1986)
- 3" Outlet
- 20 deg. Down Angle
Replaces:
- Barr:
- CM-20-6672
- Chrysler Inboard:
- 3527794
- Mallory:
- 9-40313
- Osco:
- 794