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Mercruiser 454 / 502, 7.4L, Big Block Chevy
→ Stock Mercury OEM Big Block Chevy 454/502 Cast Iron 4" Exhaust Manifold and Riser Kit - 807078T08
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Stock Mercury OEM Big Block Chevy 454/502 Cast Iron 4" Exhaust Manifold and Riser Kit - 807078T08
# 525-454
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Mercruiser OEM V8 BBC 454/7.4L and 502/8.2L Exhaust Manifold and Riser Kit w/out Spacer
Qty
Description
OEM #
2
Exhaust Elbow
807988Q03
2
Exhaust Manifold Assy. (with drain plug)
807078T08
2
Gasket-Elbow
27-863724 (2 Slot, Restricted) or 27-863726 (4 Slot, Full Flow), or 27-863725-1 (Block Off, For Closed Cooling)
2
Gasket-Manifold
27-46820
Direct OEM Manufactured Replacement for Mercruiser Big Block Chevy 454/502 Manifolds and Risers
Manifolds and 4" Risers Constructed from Cast Iron and painted with black corrosion resistant paint.
Replaces Mercruiser #807078T08 and 89011A8 Manifolds
Replaces Mercruiser #807988Q03, 807988A03 and 44354A3 Risers
MSRP: $1,371.60
Your Price:
$1,179.99
You Save: 14% off MSRP!
Quantity
Gasket Type
27-863724 (2 Slot Restricted)
27-863726 (4 Slot Full Flow)
27-863725-1 (Block Off For Closed Cooling)
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