✦ Ground shipping $14.95 — free over $150✦ Live distributor stock — re-checked when you pay✦ Real prices, no dealer markup games✦ Questions answered by a human: 801-361-3010✦ Licensed Utah dealer № 140069✦ Ground shipping $14.95 — free over $150✦ Live distributor stock — re-checked when you pay✦ Real prices, no dealer markup games✦ Questions answered by a human: 801-361-3010✦ Licensed Utah dealer № 140069
Shop › Top End
S&S Cycle Big Bore Kit — 83.50 mm — 750 cc — Royal Enfield® 650 Twin
In warehouse stock

S&S Cycle Big Bore Kit — 83.50 mm — 750 cc — Royal Enfield® 650 Twin

S&S Cycle · #0904-0085 · Top End / Engine
  • Increases bore from stock
  • Increase compression ratio from 9.5:1 to 11.0:1
  • Kit includes cylinder sleeves, pistons and head gasket
  • Made in the USA
$896.95
In stock. Ships in 2–4 business days · free shipping over $150.
Can’t ship to California.
View cart & check out →
Questions? Call the shop: 801-361-3010
Real shop · real humans · 1231 N 1300 W Ste A, Centerville, UT 84014
Description & features4 features

Fits Royal Enfield® 650 Twins.

Kit Includes:

• Cylinders

• Piston Kits

• Head Gasket

  • Increases bore from stock
  • Increase compression ratio from 9.5:1 to 11.0:1
  • Kit includes cylinder sleeves, pistons and head gasket
  • Made in the USA
Specifications9 specs
Compression Ratio
11.0:1
Stroke Length
67.80 mm
Units
Kit
Bore Size
83.50 mm
Displacement
750 cc
Riding Style
Street
Shipping weight
9.1 lb
Package size
14.8 × 10.3 × 10 in
Country of origin
USA
Part numbers
Salto part #
0904-0085
S&S Cycle part #
920-0144
Shipping

In stock at a distributor warehouse. Ships in 2–4 business days by ground.

Ground shipping is $14.95, free on orders over $150. Stock is re-checked with the warehouse before your card is charged.

California: this part can’t ship to a California address.

Questions4 answers
Is it in stock?
Yes — the distributor shows it on a shelf at a regional warehouse right now. We check again the moment you order, before anything is charged.
How fast will it get to me?
Usually 2–4 business days by ground.
Will it fit my machine?
The distributor doesn’t publish a vehicle fitment list for this part. Call the counter at 801-361-3010 with your year, make and model and we’ll check it with you before you order.
Is this genuine S&S Cycle?
Yes. It ships new from the same distributors the big online stores buy from — S&S Cycle part #920-0144.

More S&S Cycle top end