HPI Nitro Star 21BB Engine Cover Plate (Part #HPI1431) – Durable OEM-Style Replacement for RC Nitro Engines

Description

This is the Cover plate for the .21 BB engine by HPI.FEATURES:Machined aluminum back plateYOU WILL RECEIVE:One back plateREQUIREMENTS:HPI .21 BB (HPIG1401)SPECIFICATIONS:Length: 31.7 mm (1.24″) Width: 39.8 mm (1.568″) Height: 14.7 mm (0.578″)COMMENTS:This is commonly known as an adapter plate because it’s used with a recoil. 

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