S&S Cycle V124 Long Block Engine — Chrome/Wrinkle Black — Big Twin | Custom Chasis w/Alternator-Style Primary

Includes chrome billet timing covers.

• For '84-'99 Evolution Big Twin or '70-'99 custom chasis with alternator-style primary
• Specially machined cylinder heads allow use of stock length manifold, use your existing carb (re-jetting is required)
• Designed to bolt into stock or aftermarket EFI, carburetor or air cleaner
• Crank and case machined for crank position sensor
• Includes S&S cylinder heads, S&S valve springs, forged rocker arms, 640 cam, three piece flywheel assembly, 1.671" diameter crankpin, 0.927" wristpins, high-volume high pressure oil pump, electric compression releases and forged pistons
• Made in the USA
• Will require a performance ignition and performance carburetor.

Compression Ratio

10.8:1

Color/Finish

Wrinkle Black, Chrome

Piston Material

Forged

Bore Size

4-1/8"

Displacement

124"

Model

V124

Stroke Length

4-5/8"

Riding Style

Street

Type

Long Block

Units

Each

Shipping weight

152.01 lb

Package size

26 × 24.5 × 20 in

Country of origin

USA

Salto part #

0901-0258

S&S Cycle part #

310-1159

In stock. Ships in 2–4 business days by ground.

Ground shipping is $14.95, free on orders over $150. Stock is checked again before your card is charged.

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

Ground only: no air or expedited shipping on this part.

Is it in stock?

Yes — it’s in stock 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?

There’s no published 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’s new and genuine, straight from Salto — S&S Cycle part #310-1159.