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

2007-'17

www.sscycle.com

For 2007–2016 Big Twin Engines

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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 2-86

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9

8

21

7

10

22

5

4b

4a

24

6

23

12

1

15

13 14

18

12

11

17

3

16

2

26

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1 Cylinder head (Starting page page 2-41) 2Valve

3 Valve seat

All S&S heads with 89cc or 91cc chamber

All S&S heads with 89cc or 91cc chamber

Intake-2000"diameter.. . . . . . . . . . . . . . . . . . . . USA Exhaust-1605"diameter.. . . . . . . . . . . . . . . . . . . USA

1,2,3 90-2002 1,2,3 90-2003

Intake2000"diameter........................ USA 4 90-2000 Exhaust1605"diameter.............................. USA 4

All S&S heads with 79cc chamber

90-2001

Intake-1940"diameter.. . . . . . . . . . . . . . . . . . . . . . . . . . 90-2027 Exhaust-1575"diameter.. . . . . . . . . . . . . . . . . . . . . . . . . 90-2028

All S&S heads with 79cc chamber

Intake – 1940"diameter..........................90-2025 Exhaust – 1575"diameter........................ 90-2026