Pistons - Rings - Cylinders

S&S Cylinder Set - 4.320" Bore - Unhoned - M8 (910-1007A)

Black Granite w/ Highlighted Fins Bolt-on Stock bolt pattern Updated cylinder profile Bored slightly under nominal size and are not honed Made in the USA Not for CVO 121" engines. Compatible...

$873.39

$823.95

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S&S Cylinder Stud & Head Bolt Kit - Harley M8 (900-1176)

Studs Kit includes 8 studs with rounded thread roots, rather than flat, improving fatigue strength. 4140 Chrome Moly studs, oil quenched and tempered to 39-44 HRC. Positive stop shoulder allows for consistent installed height. 180,000 psi tensile...

$269.95

$249.95

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S&S Dual Spray Piston Cooling Jet Kit - '99-16 Harley Twin Cams (310-1251)

Milled from Billet Aluminum 6061-T6 Revised spray locations for more effective cooling Dual Spray technology evenly cools both intake and exhaust sides of pistons Creates a cooler engine with more power and better durability Shortened nozzle for...

$95.35

$82.36

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S&S Dual Spray Piston Cooling Jet Kit - M8 (310-1203)

Dual Spray technology evenly cools both intake and exhaust sides of pistons Revised spray locations for more effective cooling Creates a cooler engine with more power and better durability Made from strong, billet 6061 T6 aluminium Anodized in S&S...

$127.15

$106.91

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S&S Evo Aluminum Cylinders Silver (91-7210)

S&S - EVOLUTION-STYLE ALUMINUM CYLINDERS Made in the U.S.A. Sold in pairs. Stock replacement cylinders, 3.5 inch bore with cast-iron liner. Available with natural or black powder-coat finish to match OEM components. NOTE: This project...

$891.41

$696.10

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S&S Evo Cylinder Heads Black (106-4570)

S&S - CYLINDER HEADS FOR EVO MOTORS WITH STOCK-STYLE PISTONS Slight increase in compression (8.8:1 in an 80ci motor) with 82cc chamber volume. Now S&S heads are available to be used with stock-style flat-top pistons. Intake manifold and...

$1,559.95

$1,272.45

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S&S Forged 3.625" Bore Big Twin Piston (106-5536)

These forged 3 5/8" bore stroker piston replaces several cast and forged big bore pistons that S&S previously offered Applications for this piston include 88" (4 1/4" stroke), 93" (4 1/2" stroke), and 96" (4 5/8"...

$422.95

$350.57

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S&S Forged 3.625" Bore Big Twin Piston +.030" (106-5538)

These forged 3 5/8" bore stroker piston replaces several cast and forged big bore pistons that S&S previously offered. Applications for this piston include 88" (4 1/4" stroke), 93" (4 1/2" stroke), and 96" (4 5/8"...

$422.95

$350.57

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S&S Forged 3.625" Bore Big Twin Pistons (106-5535)

This new forged, high compression, 3-5/8" bore stroker piston replaces several cast and forged big bore pistons that S&S previously offered Applications for this piston include 88" (4-1/4" stroke). 93" (4-1/2" stroke), and...

$418.95

$350.48

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S&S Forged 3.625" Bore OHV Big Twin Piston +.020" (106-5537)

This new forged, high compression, 3-5/8" bore stroker piston replaces several cast and forged big bore pistons that S&S previously offered Applications for this piston include 88" (4-1/4" stroke). 93" (4-1/2" stroke), and...

$410.95

$350.57

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S&S Forged Flat-Top Piston Kit - 4.0" Bore - 101"/107" SuperSidewinder (92-1401)

Flat top piston head shape These forged, 4" bore flat-topped pistons are intended for use in S&S 4" bore Super Sidewinder engines as well as other custom 4" bore engines 4.25" stroke length Piston kit includes forged pistons...

$514.05

$410.14

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S&S Forged Piston Kit - 3.520" Bore - +.020" - High Compression (106-5521)

For 80" stock big twin motors Forged pistons for superior strength Piston kits include set of pistons, rings, wristpins, and clips Wrist pin deck height 1.270" 9:0:1 compression ratio 4.25" stroke length +0.020" bore oversize Made in...

$411.95

$350.57

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