Engine additive promotions and monthly special offers by Skinny Tree Limited.


Explore exclusive promotions and special offers from Skinny Tree Limited.

Discover limited-time deals and promotions on a curated selection of engine additives and vehicle aftercare ranges – your gateway to savings awaits. Don’t miss out, shop now!

Skinny Winter Warmer Voucher Code - 15% off your order

Stay out of mechanical trouble this winter and help protect your vehicle engine health. Use our voucher code SKINNYWINTER15 on your next order to get 15% off.

Please note discount will not be applied any previous offers currently in place.

Multi-buy discount: 10% off when you buy 3 or more of the same.

On our engine additives and aftercare range we promote a multi-buy offer. Buy any 3 products of the same and receive a 10% discount at checkout.