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1.4L & 1.6L Vauxhall Pistons
 
All our pistons are produced by Omega Pistons Ltd to our specifications; they are shown here in sets of four, however they are available singly.
Bore Preparation for all Omega Pistons
1.4L Vauxhall Pistons
PIST-OM77.90XS 1.4L Vauxhall pistons

Ultra lightweight pistons especially for the GM 1.4L 16v and specifically for use with con rods ROD-VX-1.4XE-134S. The standard 1.4L 16V piston is a very compromised design, in order to keep costs low General Motors had used the standard height block as used on the 1.6L engine, the same length rod as the 1.6L and then fitted a shorter length stroke crank, then produced a piston to fill the gap. This makes for a very tall piston which is not very efficient, so in order to get the best performance out of the 1.4L 16v engine we decided to produce a short skirt piston with a smaller 17mm diameter gudgeon pin fitted much closer to the crown. This reduces thrust loads which in turn reduces friction and weight, at the same time we had to design a rod to make a complete package. We found in tests that over 10bhp was gained using our design over any other design using the standard piston & rod lengths.

PIST-OM77.90XS
234g per piston including rings & pins.


1.6L Vauxhall Pistons

The Omega pot type pistons are extremely high quality and SBD have used them since we first started. The piston crown has been developed over time to what we believe is the best pot type piston available. They are available in a range of sizes. The piston is a circlip fixed design, ideal for use with our steel rods, which have bronze small end bushes, but if you are banned from changing to a steel rod the piston can be used on a standard press fit type small end, however please be careful when using standard rods due to their limited strength.

Part No. Description
PIST-OM79.05XS 79.05mm Omega/SBD H.T. piston set (4) 1.6L XE (shown right)
PIST-OM80.00XS 80.00mm Omega/SBD H.T. piston set (4) 1.6L XE

 

PIST-OM79.50XS 1.6L Vauxhall pistons

Piston Rings

Omega piston rings are usually in stock in all sizes, please click here for an order form.

Please note that piston rings are non-returnable.

PIS-R-VX86.50 Piston ring
1.4L & 1.6L Vauxhall Kits & Parts

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SBD Motorsport Ltd, Unit 15, Red Lion Business Park, Red Lion Road, Surbiton, Surrey. KT6 7QD. Tel: 0208 391 0121.
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