The following will give you a guide to reading the model codes
How to read short code. SP3255G
SP = SPORT has inconel motorsport shaft and 360deg thrust
3 = Turbine style 3= T3 std trim. 3a = stage twoT3. 4= O trim T4. 5= P trim T4
2 = Bearing body style 1= Tuna 1 (T3). 2= Tuna 2 (TO4B). 3 = Tuna 3 (TO4E)
55 = compressor inducer bore size nearest full mm.
L = .7ar Compressor cover
G = internal waste gate.
V Trim |
SP3152G, SP3a352G |
|---|---|
 |
Compressor flow 50 lbs/min will support up to 400hp depending on housing/turbine wheel combination Suit 2 to 3.5lt modified engine WILL PRODUCE COMPRESSOR SURGE AT LOW ENGINE RPM 54.2mm inducer .6ar cover TO4b cover Turbine wheel options - STD stage T3, Stage 2 T3 Turbine housing options - .63 std t3 gated, .63 stage 2 gated and un-gated |
57 Trim |
SP3a358G, SP3a358L, SP4358, SP4358L, SP5358, SP5358L |
|---|---|
 |
Compressor flow 47lb/min will support up to 465hp depending on housing/turbine wheel combination Suit 2 to 4.5lt 56.3mm inducer .6ar comp cover or .7ar with surge relief Turbine wheel options - Stage 2 trim T3, O trim T4, P trim T4 Turbine housing options -T3 .63 ar gated and un-gated, T4 O trim .83, T4 P trim .84ar (T3 + T4 flanges), 1.04ar, 1.32ar, 1.54ar
|
60 Trim |
SP5364L 550HP |
|---|---|
 |
Compressor flow 55lb/min will support 550 hp Suite 2.5 to 5 lt engine 62.43mm inducer .7ar comp cover with surge relief P trim turbine wheel Turbine options - T3 flange .84ar, T4 flange .84ar, 1.04ar, 1.32ar, 1.52ar |
63 Trim |
SP5366L 650HP |
|---|---|
 |
Compressor flow 65lbs/min, will support 650hp 65mm inducer .7AR comp cover with surge relief Suit 2.5 to 5 lt engine Turbine housing options - T3 flange .84ar, T4 flange .84ar, 1.04ar, 1.32ar, 1.54ar |
52 Trim |
SP3a354G,SP4354, SP4354L |
|---|---|
 |
Compressor flow 45lb/min and will support 350/420hp depending on housing/turbine wheel combination Suit 3.5lt or diesel up 4.5lt ie Nissan TD42 54.5mm inducer .6ar comp cover Turbine wheel options - Stage 2 trim T3, O trim T4 Turbine housing opptions -T3 .63 ar gated and un-gated, T4 O trim .83 |
65 Trim |
SP3252, SP3a252 |
|---|---|
 |
Compressor flow 35 lbs/min and will support up to 300/350hp depending on turbine wheel combination Suit 1.8lt to 2.2lt petrol or 2.5lt to 3.2lt diesel 50.5mm inducer .42ar comp cover Turbine wheel options - STD stage T3, Stage 2 T3 Turbine housing options - .63 std t3 gated, .63 stage 2 gated and un-gated |
