Top Large Bore Valve Reviews

Haltec 377 Large Bore Lock On Air Chuck LB Long with 1/4" NPT Female Thread

STRONG, DURABLE, HEAVY-DUTY DESIGN for years of reliability.
LARGE BORE VALVE CORE REMOVER is intended for valve cores on A/C systems.
DOUBLE ENDED enables access to both large (JRA/EATON) and small (R12/R134a standard) valve cores.
EASY TO USE while also providing a sturdy grip to remove trapped valve cores.

4-3/4- Inch two-piece bell with rim wire.
Monel metal pistons with one-point nylon valve guides and enclosed barrel-shaped bronze valve springs.
Made in USA - Includes Case, Valve Oil, Genuine Bach Mouthpiece.

Designed for use of servicing valve cores in R134a and R12 systems.
Universal valve core remover/installer for standard, JRA, Eaton and GM large bore valve cores.
Access and change valve cores while the A/C system is still filled with refrigerant.
Stainless steel ball valve design and patented thread remover lets the user block off the system while changing the valves cores, allowing for no refrigerant loss.

PERFECT TOOL for replacing damaged valve cores with R1234yf refrigerant in the system without losing the systems charge.
ATTACHES TO R1234yf SERVICE PORTS to quickly and easily remove and replace valve cores without the loss of refrigerant.
BALL VALVE DESIGN with stainless steel ball provides smooth movement and durability.
KIT COVERS 17 mm and 14 mm high and low side service ports.
INCLUDES standard valve core shaft, GM large bore valve core shaft, Eaton R134a/R1234yf high side valve core shaft, low side 14 mm connector, high....

Technical Specs - Bb brass clear lacquer STANDARD trumpet, 0.459” medium-large bore, 5" two-piece brass bell, 1st slide thumb hook, adjustable valve slide throw ring with slide lock screw, ROSE BRASS standard taper leadpipe, stainless steel pistons, 7C SILVER-PLATED mouthpiece, standard medium weight body (the trumpet itself is 2.43 lbs), supplied with a durable lightweight case with backpack & shoulder straps..
Complete Starter Kit - Libretto clear lacquer trumpet, white gloves, all-inclusive cleaning kit (mouthpiece brush, valve brush, flexible bore brush, lint-free microfiber cleaning cloth, lubricating valve oil, tuning slide grease, & a maintenance guide to help keep your instrument in perfect order), Sturdy trumpet stand, silver-plated 7C mouthpiece, backpack case, backed by full Amazon warranties against manufacturing defects..
Fine Craftsmanship - Libretto Standard Trumpet, crafted using state-of-the-art production methods, is a proven student trumpet designed to promote quick musical development and improvement. From materials procurement to final assembly and quality inspection, every specific detail is taken into consideration to craft the beautiful Libretto Trumpet..
Special Features - The premium red brass leadpipe resists corrosi....

Professional Trumpet: .462” large bore and 4-13/16” one-piece hand-crafted hammered yellow brass bell.
Monel pistons designed specifically super-resistance to corrosion.
3 sets of valve guides - brass/plastic, 1st slide split ring, 3rd slide pin stop, 3rd valve tone enhancing ring.