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Ships within 48 hours · Estimated delivery Oct 11 - Oct 16
When compared to stock seats the seat height is 1-1/2" lower and the nose 1-1/2" narrower
16 steel blades
Fits: > 85-E94 5-SP B
Chrome plated steel OEM style reproduction set
KB Performance, 88" to 95" big bore piston set. +.010" - 99-06 TCA/B(NU) 517940 When compared to stock seats88" to 95" big bore conversion kit. Used with stock heads and cylinders, 3 3 4" bore and 4. 938" long cylinders. By boring the stock cylinders to the 3 7 8" big bore size you will increase engine capacity from 88" (1448cc) to 95" (1546cc). 9. 25: 1 CR. Piston weight 400gr. Piston pin weight 97gr. Head type: Flat top. Dome +16. 7cc Compression height 1. 270". Bore 3. 875" (3 7 8") Stroke 4. 000". Rod length 7. 667" Cyl. length 4. 938". Comes with T6
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