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The RT4119 are made from fibreglass composite,shell weight 7.6kg, 7.9kg or 8.3kg depending on seat size.
The RT9119 are made from lightweight Kevlar/carbon, shell weight 4.4kg, 4.6kg or 4.9kg depending seat size.
The RT4129 are made from fibreglass composite,shell weight 13.4kg, or 14.9kg depending on seat size.
The RT9129 are made from lightweight Kevlar/carbon, shell weight 8.7kg, 9.0kg or 11.2kg depending seat size.
Designed for mounting the following Racetech seats.
While designed for professional teams, any team or driver that desires easy lap belt adjustability will love this harness! It weighs a very light 5.6lbs (2.55kg).
Replacement for Racetech Stock, or Low, or Super-Low Cushion
Will also fit:
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