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2003 Chevrolet Impala ALL

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Performance Valvetrain

Your valvetrain controls the operation of the valves. Your factory valvetrain isn’t meant to function or handle the power from your performance engine. High valve spring pressure helps prevent valve float at higher RPMS. A performance valvetrain is made from stronger components to overcome the valve spring pressure to open larger valves. Sport Compact Warehouse is your premier source for Performance Valvetrains. If you have any questions regarding performance valvetrains, reach out to one of our experienced representatives and we will help you make a more informative decision.


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Comp Cams 1617-12

Comp Cams 1617-12 Ultra Pro Magnum Rocker Arm 12 Pieces
for your 2003 Chevrolet Impala ALL

On Sale:

$278.14

Availability:
0 New In Stock
Quantity:
EngineFitment Notes
2003 Chevrolet Impala ALL equipped with
3.4L V6
 
2003 Chevrolet Impala ALL equipped with
3.4L V6
Comp Cams 623-12

Comp Cams 623-12 Machined Steel Race Locks Single Groove 12 Pieces
for your 2003 Chevrolet Impala ALL

On Sale:

$28.18

Availability:
0 New In Stock
Quantity:
EngineFitment Notes
2003 Chevrolet Impala ALL equipped with
3.8L V6
 
2003 Chevrolet Impala ALL equipped with
3.8L V6
Comp Cams 774-100

Comp Cams 774-100 Steel Valve Spring Retainers Bulk, 100 Pieces
for your 2003 Chevrolet Impala ALL

On Sale:

$322.72

Availability:
0 New In Stock
Quantity:
EngineFitment Notes
2003 Chevrolet Impala ALL equipped with
3.8L V6
 
2003 Chevrolet Impala ALL equipped with
3.8L V6
Comp Cams 774-12

Comp Cams 774-12 Steel Valve Spring Retainers 12 Pieces
for your 2003 Chevrolet Impala ALL

On Sale:

$43.85

Availability:
0 New In Stock
Quantity:
EngineFitment Notes
2003 Chevrolet Impala ALL equipped with
3.8L V6
 
2003 Chevrolet Impala ALL equipped with
3.8L V6
Comp Cams 7937-1

Comp Cams 7937-1 Hi-Tech Push Rods Single Piece
for your 2003 Chevrolet Impala ALL

On Sale:

$12.75

Availability:
0 New In Stock
Quantity:
EngineFitment Notes
2003 Chevrolet Impala ALL equipped with
3.8L V6
 
2003 Chevrolet Impala ALL equipped with
3.8L V6
Comp Cams 7937-12

Comp Cams 7937-12 Hi-Tech Push Rods 12 Pieces
for your 2003 Chevrolet Impala ALL

On Sale:

$114.39

Availability:
0 New In Stock
Quantity:
EngineFitment Notes
2003 Chevrolet Impala ALL equipped with
3.8L V6
 
2003 Chevrolet Impala ALL equipped with
3.8L V6
Comp Cams RPE1417-12

Comp Cams RPE1417-12 Rocker Arm And Pushrod Kit
for your 2003 Chevrolet Impala ALL

On Sale:

$161.23

Availability:
0 New In Stock
Quantity:
EngineFitment Notes
2003 Chevrolet Impala ALL equipped with
3.4L V6
 
2003 Chevrolet Impala ALL equipped with
3.4L V6
Comp Cams RPE1418-12

Comp Cams RPE1418-12 Rocker Arm And Pushrod Kit
for your 2003 Chevrolet Impala ALL

On Sale:

$161.23

Availability:
0 New In Stock
Quantity:
EngineFitment Notes
2003 Chevrolet Impala ALL equipped with
3.4L V6
 
2003 Chevrolet Impala ALL equipped with
3.4L V6
Comp Cams RPE1418-16

Comp Cams RPE1418-16 Rocker Arm And Pushrod Kit
for your 2003 Chevrolet Impala ALL

On Sale:

$213.80

Availability:
0 New In Stock
Quantity:
EngineFitment Notes
2003 Chevrolet Impala ALL equipped with
3.4L V6
 
2003 Chevrolet Impala ALL equipped with
3.4L V6
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