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KB Performance, 1200cc B.T. piston kit. +.050"

Supplier SKU: 944637
Sale price£259.26

Availability: Out of stock
Estimated supplier restock: 9 November 2026 Supplier estimate, subject to change. Delivery time is additional once stock arrives.

The details that matter

Details

Description

Compatible with stock cylinders and heads, gives stock compression ratio. 8.5:1 CR. Piston weight 370gr. Piston pin weight 97gr.

Head type: Dome 0.656" / Dome -57cc.

Compression height 1.450".

Bore 3.4375" / Stroke 3.969" (3-31/32").

Rod length 7.440" / Cyl. length 5.330".

Comes with T6 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise.



Note: Top compression ring will need additional clearance. See instructions.

Specifications

Unit SET

Fitment

41-78 74"/1200cc Knuckle, Pan, Shovel (NU)

Part numbers

Supplier SKU 944637
Manufacturer part KB263050

Specifications

BrandKB Performance Piston
CategoryPistons and rings kits

Fitment

Part numbers

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