Allstar Performance Exhaust Block Off Plates — SBC 23 Degree Head, Plastic | ALL34213 Suspension>Bushing Kits 5 Year Warranty

5 Year Warranty

which also includes 10

Cooler temps

as a single cover

Allstar Performance Exhaust Block Off Plates — SBC 23 Degree Head, Plastic | ALL34213 Suspension>Bushing Kits 5 Year Warranty1 piece exhaust port block off plates, 1 4 in thick. Plastic construction, black finish. Sold as a pair. Spec Sheet: Allstar Spec Sheet Compatibility Fits Small Block Chevy engines with 23 degree cylinder heads. FAQ What head type is this block off plate for? This block off plate fits Small Block Chevy 23 degree cylinder heads. What material is this plate made from? This plate is made from plastic, 1 4 in thick, in black. How many plates are included?