S&S Cycle - S&S Performance Parts 2025 L - Volume 67

1936-'84

www.sscycle.com

Fitment • 1966 - ’84 shovel engines

1 -2017-UP 2- 2007-'17 3 -1999-'06 4 -1984-'99 5 -1936-'84 6 -XL-RA1250 7 -BELTS & GASKETS 8 -TOOLS 9 -WARRANTY 10 -APPENDIX 84" 86" 88" 88" 96" 98"*

• S&S® Vintage SH-Series and P-Series engines • Cylinders will not fit OEM panhead engines Features and benefits • High strength engineering-grade grey cast iron

• Excellent wear resistance • Durable powder coat finish • P-Series are silver powder coated Options • 37/16", 35/8", and 31/2 bore • Black or silver powder coat finish

91-9302

• Available in sets or single front or rear cylinders • Available fit with your choice of S&S pistons

Cylinders With Pistons Kit Displacement

Stroke 331/32" 331/32"

Bore 37/16" 37/16" 31/2" 31/2"

Cylinder Length

Compression Ratio

Part #

74" LC 74" HC 80" LC 80" HC

5 330" 5 330" 5 330" 5 330"

8 0:1 9 0:1 8 0:1 9 0:1

91-9013 91-9012 91-9024

41/4" 41/4"

91-9023 Cylinders with pistons include cylinders, piston kit, head bolts, base nuts, and head & base gaskets. All piston kits include rings, wristpins, and clips.Recomended Piston Fit: Close: .0035" to .004" Loose: .0045" to .0055"

Stock Bore Stroker Cylinders With Pistons Kit 1966–‘84 Big Twins And P-Series Engines Displacement Stroke Bore Cylinder Length

Compression Ratio

Part #

41/2" 45/8" 43/4"

37/16" 37/16" 37/16"

5 330" 5 330" 5 330"

8 4:1 9 4:1

91-9017 91-9017

10 8:1 91-9017 Cylinders with pistons include cylinders, piston kit, head bolts, base nuts, and head & base gaskets. All piston kits include rings, wristpins, and clips. Recomended Piston Fit: Close: .0035" to .004" Loose: .0045" to .0055"

35/8" Bore Stroker Cylinders With Pistons Kit 1966–‘84 Big Twins And P-Series Engines Displacement Stroke Bore Cylinder Length

Compression Ratio

Part #

91-9001 91-9101 91-9031 91-9401 91-9201 91-9302

41/4" 41/2" 41/2" 45/8" 43/4"

35/8" 35/8" 35/8" 35/8" 35/8" 35/8"

5 330" 5 405" 5 363" 5 440" 5 530" 5 630"

7 5:1 8 5:1 9 1:1 9 0:1 8 9:1 9 7:1

93" LC 93" HC

103"*

5"

Cylinders with pistons include cylinders, piston kit, head bolts, base nuts, and head & base gaskets. All piston kits include rings, wristpins, and clips. Recomended Piston Fit: Close: .0035" to .004" Loose: .0045" to .0055". *Small Diameter Flywheels

Cylinders for P-Series engines will not fit stock pan cylinder heads They are machined with a stock shovel head bolt pattern Cylinders for P-Series engines do not have an internal oil feed passage for top end oiling Not compatible with stock pan cases or heads

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