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74" Pistons

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Product Image Item Name- Model Price
.010 Piston Kit 3-5/16 inch Bore for 1937-1948 Big Twin

.010 Piston Kit 3-5/16 inch Bore for 1937-1948 Big Twin

Part Number: 11-0416 UOM: 1 - KIT Summary: Piston set 3-5/16" bore is .010 oversize. Set includes ring set, 2 wrist pins and 4 circlips. Pistons have a steel expansion control strut cast. For 74" engine Fitment: UL 1937-1948 Country of Origin:...
11-0416 $209.06

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3-5/16 inch .020 Piston Kit for 1937-1948 Harley UL

3-5/16 inch .020 Piston Kit for 1937-1948 Harley UL

Part Number: 11-0417 UOM: 1 - KIT Summary: Piston set 3-5/16" bore is .020 oversize. Set includes ring set, 2 wrist pins and 4 circlips. Pistons have a steel expansion control strut cast. For 74" engine Fitment: UL 1937-1948 Country of Origin: USA
11-0417 $207.00

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3-5/16 inch .040 Piston Kit for 1937-1948 Harley Big Twin

3-5/16 inch .040 Piston Kit for 1937-1948 Harley Big Twin

Part Number: 11-0419 UOM: 1 - KIT Summary: Piston set 3-5/16" bore is .040 oversize. Set includes ring set, 2 wrist pins and 4 circlips. Pistons have a steel expansion control strut cast. For 74" engine Fitment: UL 1937-1948 Country of Origin:...
11-0419 $209.06

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3-5/16 inch .050 Piston Kit for 1937-1948 Harley Big Twin

3-5/16 inch .050 Piston Kit for 1937-1948 Harley Big Twin

Part Number: 11-0420 UOM: 1 - KIT Summary: Piston set 3-5/16" bore is .050 oversize. Set includes ring set, 2 wrist pins and 4 circlips. Pistons have a steel expansion control strut cast. For 74" engine Fitment: UL 1937-1948 Country of Origin:...
11-0420 $209.06

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3-5/16 inch .060 Piston Kit for 1937-1948 Harley Big Twin

3-5/16 inch .060 Piston Kit for 1937-1948 Harley Big Twin

Part Number: 11-0421 UOM: 1 - KIT Summary: Piston set 3-5/16" bore is .060 oversize. Set includes ring set, 2 wrist pins and 4 circlips. Pistons have a steel expansion control strut cast. For 74" engine Fitment: UL 1937-1948 Tech. Notes: 11-2543 -...
11-0421 $209.06

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3-5/16 inch Piston Set .070 Oversize for UL 1937-1948

3-5/16 inch Piston Set .070 Oversize for UL 1937-1948

Part Number: 11-0422 UOM: 1 - KIT Summary: Piston set 3-5/16" bore is .070 oversize. Set includes ring set, 2 wrist pins and 4 circlips. Pistons have a steel expansion control strut cast. For 74" engine Fitment: UL 1937-1948 Tech. Notes: 11-2544 -...
11-0422 $209.06

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3-5/16 inch Piston Set .080 Oversize for UL 1937-1948

3-5/16 inch Piston Set .080 Oversize for UL 1937-1948

Part Number: 11-0423 UOM: 1 - KIT Summary: Piston set 3-5/16" bore is .080 oversize. Set includes ring set, 2 wrist pins and 4 circlips. Pistons have a steel expansion control strut cast. For 74" engine Measures 1-1/8" from the top of the piston to...
11-0423 $209.06

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3-5/16 inch Piston Set Standard Size for UL 1937-1948

3-5/16 inch Piston Set Standard Size for UL 1937-1948

Part Number: 11-0415 UOM: 1 - KIT Summary: Piston set 3-5/16" bore is standard size. Set includes ring set, 2 wrist pins and 4 circlips. Pistons have a steel expansion control strut cast. For 74" engine Fitment: UL 1937-1948 Country of Origin:...
11-0415 $180.20

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3-5/16 inch.030 Piston Kit for 1937-1948 Harley Big Twin

3-5/16 inch.030 Piston Kit for 1937-1948 Harley Big Twin

Part Number: 11-0418 UOM: 1 - KIT Summary: Piston set 3-5/16" bore is .030 oversize. Set includes ring set, 2 wrist pins and 4 circlips. Pistons have a steel expansion control strut cast. For 74" engine Fitment: UL 1937-1948 Country of Origin:...
11-0418 $209.06

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3-7/16 inch Piston Set Standard Size stroker for 1941-1977 Big Twin

3-7/16 inch Piston Set Standard Size stroker for 1941-1977 Big Twin

Part Number: 11-0288 Manufacturer: Replica UOM: 1 - KIT Summary: Replica style 3-7/16" bore piston set standard size. Set includes Hasting 3 piece ring set, 2 wrist pins and 4 circlips. Pistons have a steel expansion control strut cast. Accepts...
11-0288 $169.54

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74" FL-FLH Piston Set .010 Oversize for Harley 1941-1978 Big Twins

74" FL-FLH Piston Set .010 Oversize for Harley 1941-1978 Big Twins

APPLICATION: 1948-1978 74" FL,FLH FL 1941-1977 FX 1971-1977 DETAILS: Wiseco piston set is .010 oversize and is for a 3-7/16" bore . Pistons have a compression ratio of 9:1 and includes rings . **Note:Run engine at moderate speeds for at...
11-9726 $256.29

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74" FL-FLH Piston Set .020 Oversize for Harley 1941-1978 Big Twins

74" FL-FLH Piston Set .020 Oversize for Harley 1941-1978 Big Twins

APPLICATION: 1948-1978 74" FL,FLH FL 1941-1977 FX 1971-1977 DETAILS: Wiseco piston set is .020 oversize and is for a 3-7/16" bore . Pistons have a compression of 9:1 and includes rings. **Note:Run engine at moderate speeds for at least 500...
11-9727 $256.29

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74" FL-FLH Piston Set .030 Oversize for Harley 1941-1978 Big Twins

74" FL-FLH Piston Set .030 Oversize for Harley 1941-1978 Big Twins

APPLICATION: 1948-1978 74" FL,FLH FL 1941-1977 FX 1971-1977 DETAILS: Wiseco piston set is .030 oversize and is for a 3-7/16" bore . Piston set has a compression of 9:1 and includes rings. **Note:Run engine at moderate speeds for at least...
11-9728 $256.29

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74" FL-FLH Piston Set .040 Oversize for Harley 1941-1978 Big Twins

74" FL-FLH Piston Set .040 Oversize for Harley 1941-1978 Big Twins

APPLICATION: 1948-1978 74" FL,FLH FL 1941-1977 FX 1971-1977 DETAILS: Wiseco piston set is .040 oversize and is for a 3-7/16" bore . Piston set has a 9:1 compression and includes rings. **Note:Run engine at moderate speeds for at least 500...
11-9729 $256.29

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74" FL-FLH Piston Set .050 Oversize for Harley 1941-1978 Big Twins

74" FL-FLH Piston Set .050 Oversize for Harley 1941-1978 Big Twins

APPLICATION: 1948-1978 74" FL,FLH FL 1941-1977 FX 1971-1977 DETAILS: Wiseco piston set is .050 oversize and is for a 3-7/16" bore . Piston set has a 9:1 compression and includes rings. **Note:Run engine at moderate speeds for at least 500...
11-9730 $256.29

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74" FL-FLH Piston Set .060 Oversize for Harley 1941-1978 Big Twins

74" FL-FLH Piston Set .060 Oversize for Harley 1941-1978 Big Twins

APPLICATION: 1948-1978 74" FL,FLH FL 1941-1977 FX 1971-1977 DETAILS: Wiseco piston set is .060 oversize and is for a 3-7/16" bore . Piston set has a 9:1 compression and includes rings. **Note:Run engine at moderate speeds for at least 500...
11-9731 $247.96

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74" FL-FLH Piston Set .080 Oversize for Harley 1941-1978 Big Twins

74" FL-FLH Piston Set .080 Oversize for Harley 1941-1978 Big Twins

APPLICATION: 1948-1978 74" FL,FLH FL 1941-1977 FX 1971-1977 DETAILS: Wiseco piston set is .080 oversize and is for a 3-7/16" bore . Piston set has a 9:1 compression and includes rings. **Note:Run engine at moderate speeds for at least 500...
11-9732 $256.29

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74" FL-FLH Piston Set Standard for Harley 1941-1978 Big Twins

74" FL-FLH Piston Set Standard for Harley 1941-1978 Big Twins

APPLICATION: 1948-1978 74" FL,FLH FL 1941-1977 FX 1971-1977 DETAILS: Wiseco piston set is standard 3-7/16" bore. Pistons have a compression ratio of 9:1 and includes rings. **Note:Run engine at moderate speeds for at least 500 miles,...
11-9725 $256.29

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74" FL-FX Piston Set .010 Oversize for 1948-1984 Big Twin

74" FL-FX Piston Set .010 Oversize for 1948-1984 Big Twin

Part Number: 11-0268 Manufacturer: V-Twin UOM: 1 - KIT Summary: Piston set moly coated 3-7/16" bore and is .010 oversize. The compression ratio is 8.5:1. Set features cast construction with moly coating which helps reduce friction and wear. Wrist...
11-0268 $121.96

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74" FL-FX Piston Set .020 Oversize for 1941-1977 Big twin

74" FL-FX Piston Set .020 Oversize for 1941-1977 Big twin

Part Number: 11-0269 Manufacturer: V-Twin UOM: 1 - KIT Summary: Piston set moly coated 3-7/16" bore and is .020 oversize. The compression ratio is 8.5:1. Set features cast construction with moly coating which helps reduce friction and wear. Wrist...
11-0269 $121.96

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74" FL-FX Piston Set .030 Oversize for 1941-1977 Big Twin

74" FL-FX Piston Set .030 Oversize for 1941-1977 Big Twin

Part Number: 11-0270 Manufacturer: V-Twin UOM: 1 - KIT Summary: Piston set moly coated 3-7/16" bore and is .030 oversize. The compression ratio is 8.5:1. Set features cast construction with moly coating which helps reduce friction and wear. Wrist...
11-0270 $121.96

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74" FL-FX Piston Set .040 Oversize for 1941-1977 Big twin

74" FL-FX Piston Set .040 Oversize for 1941-1977 Big twin

Part Number: 11-0271 Manufacturer: V-Twin UOM: 1 - KIT Summary: Piston set moly coated 3-7/16" bore and is .040 oversize. The compression ratio is 8.5:1. Set features cast construction with moly coating which helps reduce friction and wear. Piston...
11-0271 $114.60

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74" FL-FX Piston Set .050 Oversize for 1941-1977 Big Twin

74" FL-FX Piston Set .050 Oversize for 1941-1977 Big Twin

Part Number: 11-0272 Manufacturer: V-Twin UOM: 1 - KIT Summary: Piston set moly coated 3-7/16" bore and is .050 oversize. The compression ratio is 8.5:1. Set features cast construction with moly coating which helps reduce friction and wear. Wrist...
11-0272 $114.60

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74" FL-FX Piston Set Standard Size for 1941-1977 Big Twin

74" FL-FX Piston Set Standard Size for 1941-1977 Big Twin

Part Number: 11-0267 Manufacturer: V-Twin UOM: 1 - KIT Summary: Piston set moly coated 3-7/16" bore and is standard size. The compression ratio is 8.5:1. Set features cast construction with moly coating which helps reduce friction and wear. Wrist...
11-0267 $121.96

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74" FLH-FX Piston Set .005 Oversize for Harley 1941-77 Big Twins

74" FLH-FX Piston Set .005 Oversize for Harley 1941-77 Big Twins

APPLICATION: FL 1941-1977 FX 1971-1977 DETAILS: Keith Black 390 hypereutectic piston set is .005 oversize and is for 3.438" bore. Pistons have a compression of 9.0:1. **Note:Run engine at moderate speeds for at least 500 miles, avoiding...
11-2201 $217.29

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