Rimac Engine Valve Spring Tester 0-1000 lbs In 5 lb Increments # BB1000Rimac Engine Valve Spring Tester 0 1000 lbs In 5 lb Increments # BB1000 Valve Spring Tester, Rimac Big Blue, 0 1,000 lbs. in. Range, Each Valve Spring Tester Style: Bench mounted Spring Pressure Tested: Installed height Spring Pressure Range: 0 1,000 lbs. in. Quantity: Sold individually. Rimac Big Blue Spring Testers Rimac Big Blue valve spring testers feature a pressure range up to 1,000 lbs. in. These valuable tools can be easily bench mounted for