1981 Harley Davidson Fat Bob Pistons, Rings, Connecting Rods & Components
- JIMS®Connecting Rod Race SetHarley Davidson Fat Bob 1981, Connecting Rod Race Set by JIMS®. Made from 52100 aerospace quality Timken® bearing stock. Sold in a set of 3. Replaces H-D® No.24345-36A female rod race, and No.24356-36A male rod race. I.D. is 1.622",...Unique design to meet your tastes and preferencesManufactured to deliver incredible quality$79.83
- KB Performance Motorcycle®Hemi Dome Piston KitHarley Davidson Fat Bob 1981, Hemi Dome Piston Kit by KB Performance Motorcycle®. Hypereutectic Alloy is a cast 16% high silicon content material that has very high thermal barrier properties along with a low thermal expansion rate....Expertly crafted from the highest grade materialsBuilt for long-lasting dependability and unmatched quality$264.73 - $307.01
- S&S Cycle®Connecting Rod SetHarley Davidson Fat Bob Manufactured Before June with Big Twin Engine 1981, Connecting Rod Set by S&S Cycle®. High-quality connecting rods from S&S®, the industry leader in high-performance motor parts. I-beam construction, drop forged...Crank pin and hardware includedMade in USA$564.95
- S&S Cycle®Forged Stroker Piston SetHarley Davidson Fat Bob 1981, Forged Stroker Piston Set by S&S Cycle®. These 3-7/16" +.060" bore, standard compression stroker pistons are part of an S&S stock bore stroker kit for 1936-'84 HD® big twins, and are designed to be used in...Can be used in 84", 4-1/2" stroke, 86", 4-5/8" stroke, and 88", 4-3/4" stroke, stock bore stroker engines with stock diameter flywheelsThe modern alloys used in these pistons, coupled with the advanced skirt profiles, result in low engine noise and long engine life that could only be achieved with cast pistons in the past$446.95
- S&S Cycle®Piston RingsHarley Davidson Fat Bob 1981, Piston Rings by S&S Cycle®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured...Replacement Rings for 3-1/2" and 3-5/8" bore pistonsStandard Bore$53.96
- Total Seal®Gapless™ 2nd RingHarley Davidson Fat Bob with Shovelhead Engine 1981, Gapless™ 2nd Ring by Total Seal®. Total Seal's patented Gapless® Piston rings provide increased performance through unmatched sealing of the cylinder and combustion gasses in the...Made with precision and quality in mindDesigned to meet your specific needs$155.68
- Wiseco®Custom RingCustom Ring by Wiseco®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials...Crafted to deliver unbeatable levels of qualityHigh grade materials for exceptional performance$16.23
- Wiseco®Custom Ring SetCustom Ring Set by Wiseco®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...Crafted to deliver unbeatable levels of qualityHigh grade materials for exceptional performance$17.11 - $34.21
- Wiseco®Ring SetRing Set by Wiseco®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials using...Crafted to deliver unbeatable levels of qualityHigh grade materials for exceptional performance$32.90
- JE Pistons®Piston Wrist PinPiston Wrist Pin by JE Pistons®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...Superior design for exceptional performanceDesigned for long-lasting service$27.94 - $28.99
- JE Pistons®Pro Seal™ Piston Ring SetPro Seal™ Piston Ring Set by JE Pistons®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Superior design for exceptional performanceDesigned for long-lasting service$26.28 - $31.02
- S&S Cycle®C-ClipsC-Clips by S&S Cycle®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials...C-Clip Wrist Pin KeeperFits 0.791" and 0.792" wrist pins$8.96
- Sputhe®Fatvo Piston SetFatvo Piston Set by Sputhe®. JE forged 3.875" bore pistons with rings and 0.792" diameter piston pins. These pistons make building a Fatvo engine as simple as assembling a stock Evo engine: no rebalancing of the crank is necessary.Precise engineering ensures the latest in qualityExpertly manufactured from highly reliable materials$395.00
- Sputhe®Spiroloc Pin ClipsSpiroloc Pin Clips by Sputhe®. Sputhe piston pins are machined from solid billet E52100 bearing steel having a tensile strength of 300,000 psi. They are heat treated to a hardness of 54C-56C Rockwell. They are shot-peened and...Precise engineering ensures the latest in qualityExpertly manufactured from highly reliable materials$9.00
- Total Seal®Gapless 2nd Motorsport Ring SetGapless 2nd Motorsport Ring Set by Total Seal®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a...Expertly crafted from the highest grade materialsBuilt for long-lasting dependability and unmatched quality$34.36 - $246.37
- Wiseco®Ring SetHarley Davidson Fat Bob 1981, Ring Set by Wiseco®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Crafted to deliver unbeatable levels of qualityHigh grade materials for exceptional performance$32.90
- S&S Cycle®C-ClipC-Clip by S&S Cycle®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials...C-Clip Wrist Pin KeeperFits 0.791" and 0.792" wrist pins$7.16
- Sputhe®Ring Set For Two PistonsRing Set by Sputhe®. For Two Pistons. Compression rings are low-tension vacuum melt "Meehanite". The face of the top ring is filled with molybdenum di-sulfide. The improved bond strength of this plasma-applied moly coating provides...Precise engineering ensures the latest in qualityExpertly manufactured from highly reliable materials$90.00