RB20/RB25 #1 QUICK SPOOL TURBO (NEW VERSION)

RB20/RB25 #1 QUICK SPOOL TURBO

Back by Popular DEMAND with revised quality change recently as of july 4th 2026.

newer mods to internals for added strength and reliability when it matters most with billet wheel options

Most requested turbo for the RB fans.

Made for quick spooling response closest to factory but pulls a lot harder.

TO THE WHEELS HP.

stage 1, Base model: 400HP up to 30PSI

stage 1, Billet wheel: 420hp up to 30psi (lighter wheel better spool)

stage 2, Billet wheel 11 Blade : 480hp up to 30psi (largest wheel size)

(THESE NUMBERS ARE BASED ON PUMP GAS 91 OCTANE, WILL MAKE MORE ON E85)

SPECS:

COMPRESSOR:

3″ INLET 2″ OUTLET

Base Model:

Inducer Diameter： 52.5 mm
Exducer Diameter： 76.0 mm
A/R： 0.50 (FRONT HOUSING)

STAGE 1 BILLET WHEEL COMPRESSOR: 

Inducer Diameter： 52.5 mm
Exducer Diameter： 76.0 mm
A/R： 0.50 (FRONT HOUSING)

STAGE 2 LARGE BILLET WHEEL COMPRESSOR:

Inducer Diameter： 55.0 mm
Exducer Diameter： 78.2 mm
A/R： 0.50 (FRONT HOUSING)

TURBINE:

Turbo Manifold Flange：T3 flange
Exhaust (Downpipe) Flange: FACTORY 6 bolt Flange Skyline
Inducer Diameter： 65.2 mm
Exducer Diameter： 48.2 mm
A/R:   0.63 (REAR HOUSING) QUICK SPOOL

Comes with T3 Gasket AND Oil drain Gasket

oil feed thread pitch is M12x1.25 or t3t4 to4e flange.

1 YEAR WARRANTY FROM PURCHASE DATE !

NOTE: SOME FITTINGS MAY VERY BETWEEN SERIES 1 AND SERIES 2 “RB” ENGINES SO MIGHT HAVE TO SOURCE WATER FITTINGS.

All sales are final on this turbo and sold “as is” when purchased No refunds.

FREE SHIPPING TO USA ADDRESS, WE ALSO SHIP TO OTHER COUNTRIES FOR AN ADDITIONAL $140 FEE