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Exhaust Manifold for Mercruiser GM 305 350 Small Block V8 Port B-77234A2 77234B

  • Part #: BARMC-1-77234

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Log Style Manifold for a Mercruiser that fits GM small block V8 Port side, and was used up to 1982.

This manifold uses an Osco # O6351 90° down angle for most sterndrives, and an Osco # 6771 0° down angle for most inboard applications.

They made two manifolds that look very similar but the riser mounting pads are different, the riser pad on this manifold is 3-3/4 x 4 Inches.

Replaces Mercruiser #:B-77234A2, 77234B
Osco # 7234B
GLM # 51237
Sierra # 18-1950-1
Mallory # 9-40503

Barr Manifolds and Risers come with a 3-year limited warranty (PDF)!
BARR American made

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