LEGO Large Shock Absorber with Very Hard Spring (15035 / 18405) | Brick Owl - LEGO Marketplace
Part 731c07 : Technic, Shock Absorber 6.5L - Hard Spring, Tight Coils at Ends [(unsorted)] [BrickLink]
Self-locking Bricks Moc Building Block Technical Parts 1pcs Technical Shock Absorber 9.5l (hard Spring) Compatible With Lego - Model Building Kits - AliExpress