Manley Performance

$544.64 $510.80
Manley 02-14 WRX/STI/05-09 LGT 32mm Standard Exhaust Valves (Set of 8) 11137-8   Manley Performance has been manufacturing the finest stainless...

$559.36 $510.80
Manley 02-14 WRX/STI/05-09 LGT 33mm (+1mm) Exhaust Valves (Set of 8) 11139-8   Manley Performance has been manufacturing the finest stainless...

$189.98 $178.80
Manley 02-14 WRX/STI/05-09 LGT 36mm Standard Intake Valves (Set of 8) 11138-8   Manley Performance has been manufacturing the finest stainless...

$189.98 $178.80
Manley 02-14 WRX/STI/05-09 LGT 37mm (+1mm) Intake Valves (Set of 8) 11140-8   Manley Performance has been manufacturing the finest stainless...

$1,625.00
Manley 02-14 WRX/STI/05-09 LGT Performance Crankshaft 79mm Stroke / 19.5 lbs Turbo Tuff Crankshaft 190040B   Manley Turbo Tuff Billet 4340...

$1,625.00
Manley 02-14 WRX/STI/05-09 LGT Performance Crankshaft EJ20/EJ25 - 75mm Stroke / 19.5 lbs Turbo Tuff Crankshaft 190160B   Manley Turbo Tuff Billet...

$1,625.00
Manley 02-14 WRX/STI/05-09 LGT Performance Crankshaft EJ20/EJ25 - 83mm Stroke / 21 lbs Turbo Tuff Crankshaft 190060B   Manley Turbo Tuff Billet...

$225.00 $180.00
Manley 02-14 WRX/STI/05-09 LGT Titanium Retainer Set 23180-16   When upgrading your valves it is a must to also upgrade the valve springs and...

$102.00 $81.60
Manley 02-14 WRX/STI/05-09 LGT Valve Spring Set 22180-16   When upgrading your valves it is a must to also upgrade the valve springs and...

$481.92 $431.00
Manley 02-14 WRX/STI/LGT H-Beam Connecting rods 14024-4  Manley has been in business since 1966 producing aftermarket and OEM engine internals,...

$891.00 $832.20
Manley 02-14 WRX/STI/LGT Turbo Tuff Connecting rods 14416-4 Manley has been in business since 1966 producing aftermarket and OEM engine internals,...

$583.00
Manley 06-14 WRX/04-14 STI Forged Pistons Manley forged and dished pistons for the 04-07 STI EJ257 are machined of high strength 2618 material. Each...

$481.92 $431.00
Manley has been in business since 1966 producing aftermarket and OEM engine internals, supplying such cars as the Ford GT....