Harper and Darren Leung took victories at Silverstone and Manufacturers Hatch on their approach to the title in 2023 and the pair will reprise their partnership in GT World Problem Europe Dash Cup with Century.
However Northern Irishman Harper will now step into the British GT seat initially earmarked for Chris Salkeld and associate Michael Johnston in an M4 GT3.
Salkeld and Johnston had deliberate to step collectively to the GT3 class, after claiming the GT4 pro-am title with Century final season.
Carl Cavers and Lewis Plato will drive Century’s second GT3 entry in Silver-Am.
It stays unclear what prompted the group to make a change so late within the low season, because the championship is because of start this weekend with a double-header at Oulton Park.
Autosport has approached Century for remark.
“I’ve received to be trustworthy: British GT wasn’t on my radar for this 12 months, even yesterday afternoon!” mentioned Harper.
“I’ve received a busy 12 months with BMW forward, however by full probability didn’t have a clashing dedication elsewhere. Maybe it was meant to be.
Michael Johnston / Chris Salkeld – Century Motorsport BMW M4 GT4
Picture by: JEP / Motorsport Images
“I haven’t raced with MJ earlier than however we shared Century’s storage and motorhome final 12 months so know one another fairly nicely.
“It’s not like we’re ranging from sq. one, and clearly I do know the automobile and group.
“We’re actually fortunate to be ranging from such a robust place given how late this has come collectively.”
Harper’s addition to the grid ensures that there are six earlier title-winners within the 19-car GT3 area.
This contains four-time British GT champion Jonny Adam, again racing an Aston Martin for the brand new Blackthorn group with Giacomo Petrobelli after spending final season in a Mercedes, 2022 champion Ian Loggie in a 2 Seas Mercedes alongside Phil Eager and two-time champion Andrew Howard in a Beeachdean Aston Martin shared with Jessica Hawkins.
The 2020 British GT champions Rob Collard and Sandy Mitchell are again too and line up on reverse sides of the Barwell Lamborghini storage, sharing with Ricky Collard and Alex Martin respectively.
It was introduced earlier immediately that Century can even contest the GTWCE Endurance Cup, with Leung joined by Components E world champion Jake Dennis and Toby Sowery.