PERFORMANCE STAGE 1 KIT HS4/HIF38 1275 BIG BORE CE...
C-STN18B

£289.89 exc vat

£347.87 inc vat

In stockIn stock
Performance Stage one kit for 1300cc models with HS4 or HIF38 Carb with centre exit large bore exhaust system.

Always get your car rolling roaad tested for best ignition/timing and emmissions after fitment.

£289.89 exc vat

£347.87 inc vat

In stockIn stock

Recommended usage 1 x C-STN18B to fit one mini.

Alternative products

same kit as C-STN18 but with the correct needle for the larger HIF6 carb 1.75"

which has a 100 thou jet tube--an alternative to the needle supplied is BDL if other slight modifications or exhaust changes heve been made

This kit includes top quality items inlet and exhaust manifolds, RC40, K&N filter element, all gaskets required and a correct new needle for spring biased HIF38 or HS4 1.5"carbs only. See C-STN18B for same kit but with centr...

Kit contained products

The popular RC-40 exhaust system has been updated for the year 2000. All retain the optimum size 1.75" tubing for maximum performance and efficiency, but we now offer a choice of tailpipe size and configuraton. In addition they now have stainless ste...

The stock air cleaner housing for many Minis with single 1 1/2" SU carbs have historically been stuck with the paper filter. New from K&N is a replacement element for FZX3013 and all HIF that provides the benefits of K&N cleanable filtra...

Complete mounting kit for the RC40 exhaust. Includes all new rubber mounts, brackets and clamps.

Copy of the original Cooper single rear box downpipe, this fits our freeflow manifold or can be shortened to fit an LCB when fitting the single rear box C-STR809 RC40 silencer.

A 3" longer version suitable for van/e...

Gasket for an HS4-carb and manifold .Sold seperately and order as required for your car(usually 3).

Manifold gasket fitted to all A series pre 1992 except Turbo which had a reinforced exhaust ports GUG704063MG and SPI from 199. From 1991 on a new better gasket with reinforced exhaust ports and backing was fitted GUG704053MG

This plug fits our inlet manifolds and Rover types with servo take off holes..

5/8 UNF grub screw that use 8mm allen key for blanking inlet servo take off or temp transmitter hole at front of pre 1996 cylinder heads. Can also use ADP210

Maniflow's tubular reproduction of the original Cooper 997/998cc exhaust manifold manufactured out of the same tubing as the STD bore LCB. This free flow manifold works vey well at lower speed pick up, the LCB is noisier but better at the top end of ...

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Performance Stage one kit for 1300cc models with HIF44 Carb with centre exit exhaust system RC40-12

STAGE 1 KIT. Mini Spares bolt-on performance kit for 998 and 1098 engines.

Similar to C-STN17 except it has a large bore side exit exhaust.

Always get your car rolling roaad tested for best ignition/timing and emmissio...

Original exhaust bracket for rod change gearbox but later on Rover reverted back to GEX7526 which seemed a bit of a backward cost cutting exercise.

Middle exhaust mounting, bolts on to the front of the rear subframe and is the central or first of the rubber mountings. see GEX7081POLY for Poly type or if you are fed up with breakages see C-19G3257.The original Genuine pa...

Exhaust manifold to downpipe clamp.

The key to eliminating exhaust leaks at the manifold flange is the clamp. These new clamps include proper brass nuts and support washers. Fits most 850cc, 948cc, 998 etc. Those engines with single carb an...

Maniflow's tubular reproduction of the original Cooper 997/998cc exhaust manifold manufactured out of the same tubing as the STD bore LCB. This free flow manifold works vey well at lower speed pick up, the LCB is noisier but better at the top end of ...

Rear RC-40 fitted with a pipe to bolt straight on to the catalyst for cars built late 1991 onwards (not early carb coopers). It has the hanger rods fited for mounting onto the rubber type straps. This makes it a single box system with a little throat...

The very rear bobbin type mounting rubber on every mini made until the introduction of a rubber hanger strap in 1992. When the RC40 or similar systems are fitted, 2 will be required.

See C-19G3258 for larger upgrade...

The intake/exhaust manifold should be secured to the head with brass nuts and these very thick washers. These washers are intended to not only spread the clamping action but the thickness allows them to absorb the heat without deforming! Takes 4 per ...

Locating rings originally made for 12G295 heads with twin carbs to line up the inlet manifold to the inlet ports on the cylinder head it found its way on most twin carb factory produced cars. There is a recess in the inlet port on the he...

Manifold gasket fitted to all A series pre 1992 except Turbo which had a reinforced exhaust ports GUG704063MG and SPI from 199. From 1991 on a new better gasket with reinforced exhaust ports and backing was fitted GUG704053MG

Genuine mini Spares inlet manifold dyno tested and designed for our Stage one kit C-STN17. The single SU manifolds is developed to give maximum airflow and gas speed, yet fit all engines even if the standard air cleaner set-up is used. I...

Rear RC40 mild steel silencer with stainless steel tailpipe. Can be used as a single box system with down pipe number AN180V for a little throatier note.

Cars with catalyst use with AN181T for 1275 Coo...

Metal gasket for the catalyst and is the same both ends for Cooper 1275CC RSP early cars, but only fitted on the front to later cars. If you cannot fit this gasket on the rear your car does not need one.

This is the hanger on the front of the rear subframe for all Coopers and cars with an RC40 exhaust system. The u bolt to fix this to the exhaust is GEX9008.

All the parts to hang RC40 exhausts systems are available ...

When fitting to an LCB cut 5-8" off.



This downpipe and centre box are made the correct length for the freeflow manifold but when fitting to a LCB the flanged end should be cut off 5"-8" from the end. The downpipe and exhaust shoul...

The original replacement is expensive so when it needs replacing many customers

opt for our stage one kit C-STN22 which gives extra power for litle more cost.

in this kit you will get an exhaust manifold, which is bette...

Standard brass manifold nut. You will probably want a mix of these and the longer 51K1177 to secure your intake/exhaust manifold. This nut 5/16" long whereas 51K1177 is 1"long.