Summit Racing SpeedCard - learn how to get 15% back up to $150

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Summit Racing SpeedCard - learn how to get 15% back up to $150

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Combustion Chamber Volume (cc)
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Powersports Cylinder Heads
1966
Product Results

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Make/Model
Combustion Chamber Volume (cc)
- 120 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Intake Valve Diameter (in.)
- 1.950 in. (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Exhaust Valve Diameter (in.)
- 1.720 in. (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Maximum Valve Lift (in.)
- 0.590 in. (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Cylinder Bore Diameter
- 3.625 in. (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 3.500 in. (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Price Range
- $1500-$2000 (3)
- $2000-$5000 (2)

1966 Powersports Cylinder Heads

All the results found for this search are Not In Stock.

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Results 1 - 5 of 5

S&S Cycle Super Stock Cylinder Head Kits 90-1496

S&S Cycle Super Stock Cylinder Head Kits 90-1496

S&S Cycle Super Stock Cylinder Head Kits 90-1496

Cylinder Heads, Super Stock, Assembled, Aluminum, Natural, 3.500 in. Bore, 0.590 in. Max Lift, O-Ring Type Manifold, Harley-Davidson®, Kit

Part Number: SSY-90-1496

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

S&S Cycle Retro Cylinder Head and Valve Train Upgrade Kits 106-1071

S&S Cycle Retro Cylinder Head and Valve Train Upgrade Kits 106-1071

S&S Cycle Retro Cylinder Head and Valve Train Upgrade Kits 106-1071

S&S Cycle 66-84 BT Retro Conversion 3-5/8in Bore Top End Kit

Part Number: SSY-106-1071

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

S&S Cycle Retro Cylinder Head and Valve Train Upgrade Kits 106-1070

S&S Cycle Retro Cylinder Head and Valve Train Upgrade Kits 106-1070

S&S Cycle Retro Cylinder Head and Valve Train Upgrade Kits 106-1070

S&S Cycle 66-84 BT Retro Conversion Stock Bore Top End Kit

Part Number: SSY-106-1070

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

S&S Cycle Super Stock Cylinder Head Kits 90-1491

S&S Cycle Super Stock Cylinder Head Kits 90-1491

S&S Cycle Super Stock Cylinder Head Kits 90-1491

S&S Cycle 66-78 BT Super Stock 3-5/8in Bore O-Ring Style Dual Plug Cylinder Head Kit - Natural

Part Number: SSY-90-1491

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

S&S Cycle Super Stock Cylinder Head Kits 90-1497

S&S Cycle Super Stock Cylinder Head Kits 90-1497

S&S Cycle Super Stock Cylinder Head Kits 90-1497

CYL HDS SHVL 3-5/8-NAT S&S

Part Number: SSY-90-1497

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

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