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Choose from the vehicle applications currently listed in our catalog. Engine sizes refer to the standard engine.

Bike not listed or engine modified? Contact us to check fitment.

S&S, replacement Evo SuperStock piston kit. +.030"

Product code: 512391
Sale price£480.42

Availability: Out of stock
Estimated supplier restock: 14 November 2026 Supplier estimate, subject to change. Delivery time is additional once stock arrives.

The details that matter

Details

Description

Replacement, recessed dome, forged piston kits for used with S&S Evolution SuperStock heads only in combination with components with stock dimensions (bore 3-1/2", stroke 4-1/4" and cylinder length 5.550").
S&S tolerance recommendations: Close fit .0015" to .002". Loose fit: .003" to .004".
Will give approx. 10.1:1 CR.
All pistons include wrist pins, wrist pin clips and piston rings.

Note: In any and all applications the technician must be able to judge components for their suitability in combination with the other engine components, prior to installation. It is of importance that a knowledgeable mechanic will install & make adjustments as required. The rider must follow standard break-in and riding procedures for overhauled engines.

Note: Special Order Product only. To order please contact your MCS sales representative.

Specifications

Unit KIT

Fitment

84-99 Evo Big Twin with S&S SuperStock heads only (NU)

Part numbers

Supplier SKU 512391
Manufacturer part 92-2029

Specifications

BrandS&S Cycle
CategoryPistons and rings kits

Fitment

Part numbers

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