Group A - The Battleground of Skill & Strategy

Also known as the 400-Class, this internationally recognised UIM category is one of the most fiercely contested in V8 Superboats. Boats are powered by 413ci cast-iron V8 engines, traditionally running carburettors and cast-iron heads, though 2023 rules now allow alloy heads and methanol injection. The result? A thumping 700+ horsepower on tap.

With tight engine and hull regulations, Group A levels the playing field and puts the spotlight squarely on the driver–navigator pairing. Races are often decided by fractions of a second, making this class the ultimate test of precision, teamwork, and consistency.

Scroll down to meet the Group A competitors — with team profiles, boat specs, sponsors, and social media links so you can follow and support them all season long.

ASP

TEAM INFORMATION

Driver: Bastian Mullan
Year of birth: 2003
State: Victoria
Occupation: GM Motorsport
Years in Jetsprinting: 4
Best result: Current Australian LS Champion and LS
World Champion

Navigator: Tahleah Mullan

BOAT SPECIFICATIONS
Hull: Ramjet Pulse
Engine: GM Motorsport 410 – Carb
Horsepower: 750
Jet Unit: Ramjet Scott

SPONSORS
ASP- Australia Speed & Performance, GM Motorsport, Ripshift, Ramjet, Sign Perfection, Turbo Smart, GCG, Gill Engineering

ATTITUDE

TEAM INFORMATION

Driver: Daniel Warburton
Year of birth: 1981
State:
Occupation: Fitter and Machinist
Years in Jetsprinting: 10
Best result: 2nd

Navigator: Ryan Loft

BOAT SPECIFICATIONS
Hull: Sprintec
Engine: 412
Horsepower: 750
Jet Unit: Scott 8.5

SPONSORS
KMC Performance, Anderson Stainless, Bursons

KENNEDY’S

TEAM INFORMATION

Driver: Andrew Garthe
Year of birth: 1993
State: Queensland
Occupation: Demolition
Years in Jetsprinting: 1
Best result: Top 3

Navigator: Craig Willman

BOAT SPECIFICATIONS
Hull: Aitchison
Engine: 400
Horsepower: 680
Jet Unit: Aitchison 8 ¼

SPONSORS
Kennedy’s Transport

OUTLAW

TEAM INFORMATION

Driver: Justin Roylance
Year of birth: 1978
State: New South Wales
Occupation: Sales Rep
Years in Jetsprinting: 11
Best result: Group A Australian Champion

Navigator: Tracey Little

BOAT SPECIFICATIONS
Hull: Pulse
Engine: 400
Horsepower: 700
Jet Unit: Scott 8.5

SPONSORS
Spitwater Kubota, Roylance’s Tractor Replacements, Marine Air Flow International, Steele Tech, Signs you see, JRE Race Engines, Pulse Race Boats, Penrite Oils

THE GIRLFRIEND

TEAM INFORMATION

Driver: Brendan Doyle
Year of birth: 1986
State: New South Wales
Occupation: IGA Store Owner
Years in Jetsprinting: 6
Best result: Australian Group A Champion 2022

Navigator: Daniel White

BOAT SPECIFICATIONS
Hull: Pulse
Engine: 400
Horsepower: 700
Jet Unit: 8 3/8

SPONSORS
MSA Automotive, JRE Engines, Pulse Race Boats, Prendergast Engineering

TUFF N UP

TEAM INFORMATION

Driver: Danny Knappick
Year of birth: 1972
State:
Occupation: Managing Director/Business Owner
Years in Jetsprinting: 3
Best result: 1st in Temora and 3rd in Championship

Navigator: Cliff Bamford

BOAT SPECIFICATIONS
Hull: Sprintec
Engine: Chev 412 Cube
Horsepower: 730
Jet Unit: 8.5 Scott

SPONSORS
KMC Performance, KMC Trailers