Sierra Cylinder Head Assembly 4.3L GM 4491 - Star Marine Depot
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Our Price 
$751.95 
List Price $1,079.99

Sierra Cylinder Head Assembly 4.3L GM 4491

Availability: Special order, ships 2-3 days
List Price $1,079.99
Our Price 
$751.95 

Mercruiser / OMC / Volvo. New casting and complete assembly with new- stainless steel valves, hardened steel exhaust seats, valve springs, valve locks and retainers. All GM cylinder heads utilize high performance screw-in rocker arm studs in place of factory press in rocker arm studs.

4.3L Vortec V-6 GM with screw in rocker arm studs (non-adjustable valve train), 8 intake manifold mounting bolts, center mount valve cover. NOTE: not for use with engines using factory roller rocker arms

Sierra Manifold 4 Cylinder VP 834438-4
Star Price$253.95
Sierra Manifold 4 Cylinder VP 834438-4
MFG: 19302

Replaces Volvo 834438-4, 855387
Application AQ120B, 125A, 140A, 145A, BB140A, 145A (mounting package included). …

MFG: 19302
Star Price$253.95
Sierra Cylinder 4484HP Head
Star Price$763.95
Sierra Cylinder 4484 Head Assembly 5.7L GM
MFG: 4484HP

Hi-Performance Mercruiser / OMC / Volvo. New casting and complete assembly with new stainless steel valves, hardened …

MFG: 4484HP
Star Price$763.95
Sierra Cylinder Head Assembly 5.7L GM
Star Price$633.95
Sierra Cylinder Head Assembly 5.7L GM
MFG: 4485

Mercruiser / OMC / Volvo. New casting and complete assembly with new- stainless steel valves, hardened steel exhaust …

MFG: 4485
Star Price$633.95
Sierra Cylinder Head Assembly 5.7L GM 4486
Star Price$554.95
Sierra Cylinder Head Assembly 5.7L GM 4486
MFG: 4486

Mercruiser / OMC / Volvo -5.7L V-8 GM Vortec (1996-up) with press in rocker arm studs with 8 intake manifold …

MFG: 4486
Star Price$554.95
Sierra Cylinder Head 5.7L GM 4486HP
Star Price$785.95
Sierra Cylinder Head Assembly 5.7L GM 4486HP Hi-Performace
MFG: 4486HP

Hi-Proformance Mercruiser / OMC / Volvo -5.7L V-8 GM Vortec (1996-up) with press in rocker arm studs with 8 intake …

MFG: 4486HP
Star Price$785.95
Sierra Drain Tap Cylinder Block 8073
Star Price$25.95
Sierra Drain Tap Cylinder Block 8073
MFG: 4216
Drain tap cylinder block 8073
MFG: 4216
Star Price$25.95

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Mercruiser / OMC / Volvo. New casting and complete assembly with new- stainless steel valves, hardened steel exhaust seats, valve springs, valve locks and retainers. All GM cylinder heads utilize high performance screw-in rocker arm studs in place of factory press in rocker arm studs.

4.3L Vortec V-6 GM with screw in rocker arm studs (non-adjustable valve train), 8 intake manifold mounting bolts, center mount valve cover. NOTE: not for use with engines using factory roller rocker arms

Write A New Review

Sierra Cylinder Head Assembly 4.3L GM 4491 has not been reviewed yet. Review Now.

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